| Subject | Date Asked |
|
| Energy losses | 11/21/2009 |
Q: I read in an article that approximately 62% of power produced is lost by the time it get to the ...
A: When electricity leaves a power plant and is transmitted hundreds of miles over high voltage lines, ...
|
| Supercritical Boiler Efficiency | 11/12/2009 |
Q: Bill: I have read that the supercritical, and ultra-supercritical boilers are more efficient in ...
A: Scott - It all boils down to (no puns!) ... All right, it all depends on temperature. In the ideal ...
|
| electric bill and electric meter question | 11/11/2009 |
Q: We just buy a brand new home 3300sq, and we have not moved yet, but we do go there over the weekend ...
A: Suketu - Sounds like you might just have to live in the home for a month and keep track of the meter ...
|
| electric bill and electric meter question | 11/11/2009 |
Q: We just buy a brand new home 3300sq, and we have not moved yet, but we do go there over the weekend ...
A: Suketu - We live in a 2500 sq ft home. We have a gas water heater and gas clothes dryer. We both ...
|
| power generation | 10/31/2009 |
Q: is bio fuel successful for todays criteria... ANSWER: Subha - It is likely that liquid biofuels ...
A: The main attraction of nuclear power plants is that they produce no carbon dioxide (CO2) greenhouse ...
|
| power generation | 10/22/2009 |
Q: is bio fuel successful for todays criteria...
A: Subha - It is likely that liquid biofuels will have a high value for other purposes such as ...
|
| energy source | 10/8/2009 |
Q: If I wanted to use a new type of energy source in a gas form with triple the calorific power of ...
A: Daniel - So sorry for the delayed response ... I've been out of the country. A) If, for example, ...
|
| Steam Generation | 9/29/2009 |
Q: How much steam can be produced at 120 psi using the waste heat from a four megawatt natural gas ...
A: Al - Very roughly ... If the small CT has an efficiency of 25%, it's heat rate (fuel energy in per ...
|
| Cut way back on using natural gas to make electricity? | 9/24/2009 |
Q: I see in your resume the following sentence: "I can tell you why we have to build more nuclear ...
A: Sojourner - Excellent question. Thanks for asking. We should cut way back on using natural gas to ...
|
| Hydro Power | 9/20/2009 |
Q: How much water per hour is required to generate 1 MW of power? If the water drop variable, how much ...
A: Chris - Recalling an old, very rough rule of thumb ... 1 acre of water 1 foot deep falling through a ...
|
| CFB- Boilers/utility boilers | 9/16/2009 |
Q: Hey, I have a couple of very stupid questions. I hope you still find time to answer them! What is a ...
A: Theresa - I assure you that those are not stupid questions. No one knows what those phrases mean ...
|
| AC | 9/13/2009 |
Q: I believe and have also heard several places recommend that to achieve best energy and cost ...
A: Nancy - I think you are both right on the important part, which is to set the temp no higher (in ...
|
| What Constitutes "Green" Power | 9/12/2009 |
Q: If you build a power plant that is using both methane gas and natural gas as the fuel supply but ...
A: Colleen - Natural is almost entirely methane, which when combusted in a power plant turns into water ...
|
| Demand metering | 8/31/2009 |
Q: Will a demand meter see a instant kw load and regester when it happens
A: Dale - Yes it will see any instantaneous load spike, but it may or may not register the full value ...
|
| Load Scheduling and Balancing | 8/10/2009 |
Q: Kindly explain power generation mix in relation to load profile for me. The generation mix includes ...
A: Rowland - Check this out ...
|
| Load Scheduling and Balancing | 8/9/2009 |
Q: Kindly explain power generation mix in relation to load profile for me. The generation mix includes ...
A: Rowland - One needs hourly load duration curves based on actual historical data for days of the ...
|
| Load Scheduling and Balancing | 8/8/2009 |
Q: Kindly explain power generation mix in relation to load profile for me. The generation mix includes ...
A: Rowland - That's actually a very large and complex question ... more than one can address in any ...
|
| it is just my imagination | 5/12/2009 |
Q: i want to use wind energy and solar energy both ,..on a vehicle top if we put solar panels and a fan ...
A: Rashmi - Keep up the creative thinking, but I'm afraid you can forget about this one. When the car ...
|
| Tree has grown around electric wires | 4/22/2009 |
Q: When my mother passed away a few years ago she left her property to me and my siblings. Most of us ...
A: Linda - I'm no expert on this, but will tell you what I think. I think there's a good chance that ...
|
| Gas to Power - Conversion from Resources (Bcf) to Power Generation capability (MW) | 4/20/2009 |
Q: 1) I try to find out what power plant capacity (how many MW) I can build with a given resource of ...
A: David - I can give you only a very approximate way to do the estimates. FIRST - to get the power ...
|
| 110 or 220 | 4/9/2009 |
Q: I have a well that the pump is submerged roughly 40 ft. and it's a 110V pump. A gentleman I work ...
A: Matthew - I'm no expert on motors, but will tell you what I know. Pumping 10 gpm to a 40 foot height ...
|
| Power Generation and Oversupply | 3/28/2009 |
Q: Do you know how national power system operators deal with oversupply (i.e. if suppliers have ...
A: Rhys - An insightful question ... You're right, almost no electricity can be stored by the ...
|
| micro hydroelectric plant | 3/19/2009 |
Q: I have a small stream flowing besides our house in the village since we are far from the electrical ...
A: AGWE - If your hydro system is 100% efficient in converting the potential energy of water at a 10 ...
|
| wood fired small e generator | 3/18/2009 |
Q: Bill, I am wondering if a small wood fired electricity generator could be built that would feed ...
A: Sorry to say I don't think this concept is going to be very economical for your home. One could use ...
|
| basic questions about power | 3/12/2009 |
Q: I have some basic questions about electricity/power. 1) What's electricity tariff? in the ...
A: Van - 1) In the U.S. we speak of a "rate." There are residential rates, commercial, industrial, and ...
|
| basic questions about power | 3/11/2009 |
Q: I have some basic questions about electricity/power. 1) What's electricity tariff? in the ...
A: Van - 1) Tariff is the word often used in non-U.S. countries when referring to the regulated price ...
|
| 1 Megawatt Hour Sale Price USA | 3/7/2009 |
Q: Please help me.This is the data I am supplying to you from one of your earlier answers to a ...
A: Anup - $50/MWh is only the fuel cost if the electricity is from a large highly efficient gas-fired ...
|
| turbine type and exhaust pressure | 3/5/2009 |
Q: Sir; whats a reaction type turbine and how its blades are arranged.whether it has a stationry blde ...
A: Raj - Here's a link to a short but effective description of impulse and reaction turbine designs, ...
|
| Energy:Megawatt | 3/4/2009 |
Q: Please help me.This is the data I am supplying to you from one of your earlier answers to a ...
A: Anup, my friend, you need help from an engineer who can spend several hours with you, or maybe ...
|
| solar assisted CHP | 2/24/2009 |
Q: as a graduation project i am currenlty investigating the oppertunities to intergrate a solar energy ...
A: Kees - Here's a link to costs for large utility scale power plants. ...
|
| solar assisted CHP | 2/23/2009 |
Q: as a graduation project i am currenlty investigating the oppertunities to intergrate a solar energy ...
A: Kees - Great project you've started! There's tons of info available on the many technical approaches ...
|
| biomass gasification | 2/18/2009 |
Q: I would like to thank you in advance for your knowledge and information that you have shared on the ...
A: Lee - Glad you caught the decimal ... Seems that you've a perfectly good understanding of the kind ...
|
| biomass gasification | 2/17/2009 |
Q: I would like to thank you in advance for your knowledge and information that you have shared on the ...
A: Sounds like you've already got a good handle on the economics. I would only suggest additional ...
|
| Power Education | 1/23/2009 |
Q: Sir, I constantly hear there is a shortage of Power professionals in the world. Is this correct? Our ...
A: Nadeem - Yes, every country in the world, except maybe China, needs more engineers. Your Bachelors ...
|
| turbine manufacturing | 1/9/2009 |
Q: i would appreciate it if you could please tell me how a turbine manufacturer (eg siemens, ge, ...
A: Sameer - First, some readers will need to know that 1 MW = 1 megawatt = 1 million watts of power. ...
|
| Natural gas power plant efficiency | 12/23/2008 |
Q: I'm trying to figure out how efficient natural gas power plants will be going forward. Looking at ...
A: Well, Frank, those numbers indicate that the average efficiency of natural gas-to-electricity ...
|
| oil equivalent efficiency of power plants | 12/14/2008 |
Q: What is the equivalent quantity of fuel oil for a modern plant to produce a KWH of electricity? That ...
A: Elmer - One of the most efficient ways to make electricity from #2 fuel oil is to burn it in a ...
|
| Converting electricity to BTU | 12/4/2008 |
Q: Would an electric furnace be 100% efficient at converting KWH to BTU?
A: Lyndon - If it's an electric heater with a fan, and depending on the size, etc etc, it will maybe be ...
|
| 3 phase and 1phase..!!!! | 12/2/2008 |
Q: ...!! In our country 230v/50hz for 1ph and 415v is used for 3ph....to domestic customers some are ...
A: Paul - 3-phase power is usually only made available to customers who have a large electric load, ...
|
| cost per kwh of natural gas plants | 11/24/2008 |
Q: Can you give me some ball park info on the following two questions 1. At today's cost of natural ...
A: Ron - 1. I also get 12 cents/kWh, assuming capital cost of $2000/kW and a net heat rate of 7800 ...
|
| Steam flow vs. pressure | 11/21/2008 |
Q: In our turbine we measure control stage pressure. We have 2*150TPH for 50mw steam turbine. Boiler 1 ...
A: Srinivas - Sorry to say that I cannot tell you how to convert control stage pressure to flow unless ...
|
| flow | 11/20/2008 |
Q: i m srinivas working as a control desk operator in 50mw capitive thermal power plant. I have some ...
A: Srinivas - If there is a device measuring feedwater flow to the boiler, it might give a pretty good ...
|
| Clean Coal compared to Geothermal Energy to generate electricity | 11/3/2008 |
Q: How does the cost of clean coal technology development currently compare with developing geothermal ...
A: McNeer - Good questions. Clean coal technology refers to a process that burns coal in a way that ...
|
| 200 mw system worth | 10/24/2008 |
Q: Can you tell me what amount of kilowatts a 200mw power station would produce, in total on a yearly ...
A: Paul - 200 megawatts (MW) = 200,000 kilowatts (kW) If the plant runs at full capacity for 85% of the ...
|
| Turbines | 10/10/2008 |
Q: What kind of turbines were used at Springdale Power Station located in Springdale, Pennsylvania ...
A: Bonnie _ Are you writing a history? All I've been able to easily learn is that the original plant, ...
|
| Price comparison between steam turbines | 10/10/2008 |
Q: In a proposed 75 MW 1500 PSI, 950 degrees,steam plant, how much more for an extraction turbine for ...
A: Jim - I don't know. But I can make a couple of observations: 1. In either case the smaller machine ...
|
| solar power | 9/1/2008 |
Q: Is there a way to set up a 1kw solar panel and sell the electricity to the electrical company but ...
A: Ted - I'm not sure, but probably. Utilities all over the place are wanting to buy solar power, and ...
|
| Deman meter | 8/26/2008 |
Q: We have 5 AC units at church to bring all 5 units on at once has a large demand. If they are ...
A: Larry - Sorry to say that the small print in the Church electric bill, or in its power purchase ...
|
| Noisy power transformer? | 8/23/2008 |
Q: I saw a post of yours regarding a noisy pole transformer. I have a similar problem except I can even ...
A: Ken - Make absolutely sure it is the transformer's fault, get your neighbors involved on the issue ...
|
| Voltage swings | 8/14/2008 |
Q: I work in a small medical office complex – there are five more offices – and noticed recently that ...
A: Johannes - It sounds like the kind of thing that might happen when a large motor starts, like a ...
|
| eletric generators | 8/13/2008 |
Q: I am interested in finding out if small wood fired electric generator are in the market and what ...
A: Michael - I've no experience with actual solid fuel power generating systems of such small size. ...
|
| Cycling machine | 8/12/2008 |
Q: This is a fantastic forum, good for you. Its funny as i have had this thought for a while now (about ...
A: Laurence - In a previous Q&A I estimated that one person burning 2000 calories of food energy per ...
|
| Electric Power Systems | 7/26/2008 |
Q: Bill, I found your this website and your answers really informative! Would you answer a few ...
A: Ken - By the numbers ... 1. Sure. A residential or commercial custormer has a breaker box (or ...
|
| Btu and Electricity | 7/16/2008 |
Q: Bill, I just ran across a question you answered and I was impressed also I'm confused on a few ...
A: Richard - That's an awful lot of waste heat you've got available! If your waste heat Btus are at a ...
|
| Average home--- use of Electric power | 7/7/2008 |
Q: How much electric power does the And/Or How much solar, or wind power generated electric would ...
A: Jim - It varies tremendously - seasonally, regionally, and from house to house... When the lights, ...
|
| Main causes of price fluctuations? | 6/2/2008 |
Q: The power company that supplies my electricity generates its power via nuclear power plants. On my ...
A: Sorry to be so tardy getting back to you ... been out of the country for a week. Today, and except ...
|
| electric energy consumption | 5/21/2008 |
Q: Does it use more energy to turn a light off when you leave a room for a few minutes, then turn it ...
A: David - I personally wouldn't bother to turn off a light for only a minute or two, but that's the ...
|
| Combined cycle power plant | 5/15/2008 |
Q: We are thinking of setting up a combined cycle power plant using natural gas. What is your opinion ...
A: John - I think a gas-fired combined-cycle electric power plant could be very good, very bad, or ...
|
| Transformer Drum Noises during Rain, Storms | 5/13/2008 |
Q: The pole outside my house has a transformer drum, stepping down the voltage of the AC for my needs. ...
A: You're welcome, Peter. Your additional description of the sound increases the chances that it's ...
|
| Transformer Drum Noises during Rain, Storms | 5/12/2008 |
Q: The pole outside my house has a transformer drum, stepping down the voltage of the AC for my needs. ...
A: Peter - Is it possible that the noise is more of a "buzz" and that it's coming from the insulators ...
|
| work for gas companies in northeast pa. | 5/10/2008 |
Q: I have been told that many of the gas companies that are here in northeast pa. are hiring. Work is ...
A: Sheila - I'm not in PA, but I do know that in PA and several other places there is a tremendous ...
|
| storing power | 5/7/2008 |
Q: Stevens, I have got a noob questions. I am in the industry where we use up quite a lot of ...
A: Alan - Good thinking, but there are a few limitations. If the price of electricity during off-peak ...
|
| Shoud I switch to Energy saver light bulb? | 4/14/2008 |
Q: as much as the title says, I'm very concern about switch to energy saver light bulb, as I have heard ...
A: Peter - Very very good question. Everyone needs to properly dispose of compact fluorescent lights ...
|
| query on gas compressor cooling pump | 3/9/2008 |
Q: my name is lukesh and i work in a town gas production plant.my question is that we have gas ...
A: I don't know why cooling water would be needed after all compressors are stopped. Maybe there's a ...
|
| hi. please answer my Q. | 2/20/2008 |
Q: can you please explain the economic tradeoffs of making electricity from solar?
A: Mohammad - A very good question. When evaluated using the monetary values we place on natural ...
|
| Selling Power | 2/3/2008 |
Q: Stevens, I am curious about information on microgenerating electricity and selling it back to the ...
A: William - A noble cause ... You'll have to spend a little time looking into the details with your ...
|
| candles vs. electric lighting | 1/28/2008 |
Q: Is more environmentally friendly, in terms of CO2 emissions and energy consumption, to burn a candle ...
A: Christina - I think that even if there were a CO2 / climate change environmental advantage to using ...
|
| luminous efficacy | 1/15/2008 |
Q: Hey Bill, I was reading an article in Wikipedia, and I saw something that was unaccounted for in ...
A: Shalin - I'll have to look into it, but for now will guess that if a 100 watt bulb designed for 115 ...
|
| over production of power | 1/15/2008 |
Q: i have a bio fuel platant that burns its wast glysride with a 12% b100 biodiesel mix it burns 100% ...
A: Sean - If you have a biomass plant making 200 MW (megawatts) of power, you probably don't actually ...
|
| Compressing Air | 1/14/2008 |
Q: How many HP would it require to compress 2000 CFM of air at 500 PSI.
A: Charlie - Here's a rule of thumb: It takes about 1 HP to compress 4 CFM to 90 psi. That' a ...
|
| Power Conservation Project. | 12/18/2007 |
Q: my name is Jessica and I am 16 working on a math project for school. I am just wondering how our ...
A: Good subject! I'll ask you a simple sequence of math questions. You can make it much more ...
|
| Solid-state generation of electricity without causing hazardous pollution or radioactivity? | 12/18/2007 |
Q: In the next 20 to 50 years, what is likely to be a solid-state source of electricity that does not ...
A: Green - Optics, transmission of energy as light, is not my area of expertise. But, as you know, ...
|
| Solid-state generation of electricity without causing hazardous pollution or radioactivity? | 12/16/2007 |
Q: In the next 20 to 50 years, what is likely to be a solid-state source of electricity that does not ...
A: Sounds like you've already got a pretty good handle on the alternatives. The only "solid state" ...
|
| powerlines | 9/25/2007 |
Q: I am wondering about the type of power that transformer drums put out, is it the same as power ...
A: I think you probably need have no concerns about electromagnetic force field (EMF) effects from the ...
|
| kW/hour | 9/7/2007 |
Q: can you explain to me what is a kW/hour? how it is used in measuring energy input/output. If you can ...
A: Gerald - K stands for kilo which means 1000. W stands for watt which is a measure of electrical ...
|
| Noisy insulators on power pole | 8/24/2007 |
Q: Bill - I hope your expertise covers this. The power pole in front of my house has noisy insulators ...
A: DR - Sorry to say that altho I'm aware of the phenomenon, I have no knowledge of new solutions. ...
|
| sub station | 7/25/2007 |
Q: How does a power sub station convert electricity to designated grid? How does it take a larger flow ...
A: Brian - A substation would be better called a reducing-and-splitting station, but that's too many ...
|
| hi | 7/20/2007 |
Q: lately i ahve heard of someone that out of deseperation is hiring an electrician to install ...
A: Yom - Yes, electricity can flow without going through your apartment's meter if you tap in upstream ...
|
| hi | 7/18/2007 |
Q: lately i ahve heard of someone that out of deseperation is hiring an electrician to install ...
A: I don't know anything about New York's building codes, but I wouldn't worry a bit about an ...
|
| gas vs electri dryer | 5/25/2007 |
Q: We're moving into a new house & have to buy a washer & dryer. There aren't any hookups for a gas ...
A: Linda - Where you live a lot of your electricity is made from gas, so the price of gas is reflected ...
|
| Washing machine 60 Hz working in country supply 50 hz | 5/17/2007 |
Q: , I would be most grateful if you help me with this issue. I bought a washing machine 10 kg capacity ...
A: Sounds like you've bought a 60Hz machine that Hoover sells in 50Hz countries. I'm not actually an ...
|
| concise explanation of difference 208 vs 240 | 5/14/2007 |
Q: I sell foodservice equipment. A common issue that we run into is that some equipment is spec'd at ...
A: Darrel - Concisely speaking: 220v does not mean 208v. 220v is single phase power; 208 is the voltage ...
|
| Generator Mode | 5/12/2007 |
Q: Goodday.. Could you explain the meaning of generator droop and isochronous mode?
A: Adam - Quote On a small electrical grid, one machine is usually operated in Isochronous Speed ...
|
| Efficiency of CCPP due to GT failure | 5/9/2007 |
Q: If the CCP is configured in 3x3x1 and the each GT rated at 50MW and ST rated at 100MW, ie total ...
A: Toh - Sounds like you may be an anxious investor in a new combined-cycle power plant that's having ...
|
| Noisy Bearings? | 4/30/2007 |
Q: A friend gave me an old model C2548C1 1 HP Dayton capacitor motor which runs fine for now but makes ...
A: Rod - I'm not a motor guy, but a grinding noise from a motor doesn't sound good. HA! <sorry ...> Did ...
|
| electrical wiring | 4/9/2007 |
Q: I have a question, is there anyway to ruin electrical wiring? I have a question for my homework, ...
A: Rob - That is indeed a confusing question. If it's electrical wire, insulated metal conductors, you ...
|
| UV lights to clarify pond water. | 4/4/2007 |
Q: I have a 12,0000 gallon fish pond in my backyard that my sons and I built. I use a 6500 gallon per ...
A: Charles - Beautiful pond,really amazing. I know nothing about UV bulb effective life, but can ...
|
| Electric Cars | 4/4/2007 |
Q: Mr. Stevens, Are the benefits of electric cars to the environment reduced or nullified because ...
A: John - Good questions. Electric cars will not decrease CO2 emissions, period. They only cut down ...
|
| combined cycle power plant | 2/27/2007 |
Q: Please advise your opinion on a c.c.p.p module comprising of four gas turbine as connected to one ...
A: Hamid - Four CTs exhausting to one HRSG would lead to a Big problem if one of the CTs tripped off as ...
|
| Am I too old? | 1/19/2007 |
Q: I was hoping you could answer a question for me. I am looking for a career change and always wanted ...
A: Marcus - Thirty-eight is certainly not too old to start anything, careerwise. Neither is ...
|
| integrated renewable energy systems | 1/6/2007 |
Q: i am a prospective masters student who wish to design IRES for an african community .my problem ...
A: Adam - You're embarked on a wonderfully challenging project! Stick with it. Alas, all I can do is ...
|
| cowabunga | 12/20/2006 |
Q: Is generating electricity from cow-sourced methane practical? Wehre can I get more info on this ...
A: Kevin - Cow poop to methane to electricity is certainly possible. The question is always about ...
|
| Distribution line transformer to be placed in yard | 11/29/2006 |
Q: I went home yesterday to find a business card from an engineer from power co. & request to call. Due ...
A: M.J. - My sympathies to you. Cutting aesthetically and ecologically valuable trees to make room for ...
|
| electric sub station | 11/24/2006 |
Q: I am not sure how big it is at present , its behind a fence, I think its about the size of a large ...
A: Paul - Yes, that helps. Sounds quite small as such things go. It's probably just a transformer that ...
|
| wye to delta | 11/22/2006 |
Q: How do you feed a delta transformer from a wye one? This was the situation we were presented here ...
A: http://www.elec-toolbox.com/ Dave - Sorry to say I'm the wrong guy to be advising you on anything ...
|
| Electricity Generation Bottom Line. | 11/20/2006 |
Q: We're trying to make sense on how to make good return of our investment in a power generating ...
A: Ron - Sounds like you already understand the critical issues: Electricity price per kWh - has to be ...
|
| i need some help | 11/15/2006 |
Q: Stevens, i have a question. can u put a power storage underground?like a storage box to store ...
A: Zohair - I really wish we could store electricity in a box, but we can't. We can store electrical ...
|
| power plant efficiency | 10/31/2006 |
Q: Bill, Just to clarify a little more about what I am looking for. I would like to take a look at a ...
A: Priscilla - Instead of writing a book that might not give you what you need, I did a little googling ...
|
| power plant efficiency | 10/27/2006 |
Q: I have a question about the kind of technologies and approaches available for enhancing existing ...
A: Pricilla - You've asked a Huge question, one that I would love to answer. But because of it's large ...
|
| power demand versus kilowatt hour | 10/19/2006 |
Q: example: I am running a waste water plant and I need to know how much power I am drawing because I ...
A: Harry - Power demand is the maximum load in kW that you put on the utility during the month. It will ...
|
| generator capacity | 9/29/2006 |
Q: I represent a natural gas exploration company and we have a significant amount gas reserves that are ...
A: Ron - Sorry for the tardy reply ... been traveling. A 1 MW generator operating at full capacity ...
|
| Power Transmission | 9/25/2006 |
Q: Bill, This is related to a previous question, but with a slightly different tilt. While solar power ...
A: Matt - I don't have any data on per mile losses for various voltages and conductor sizes etc, but I ...
|
| selling electricity to public utilities | 9/20/2006 |
Q: I have read that in some western states, people that have private homes can sell excess power to ...
A: Phil - If the utility power to your home fails, a line is down or a circuit breaker is open, and ...
|
| House fuel price trend | 9/20/2006 |
Q: In your opinion, in the next 12 months, do you think that house gas fuel will be going up, down, or ...
A: Sallie - I think in the short term, 12-months or even 1-3 years, all fuel prices will continue to go ...
|
| Balls on Power Lines | 9/19/2006 |
Q: beach-ball size and they are sporadically strung on the lines in mostly non-residential areas. ...
A: Those power line balls are easily visible, right?, and are to alert pilots of (usually) small ...
|
| electric bills | 8/31/2006 |
Q: Is there a way to view on-line the electric bills of other houses in my community?
A: Gary - Not that I'm aware of. But maybe the utility would give you average billpayer data for ...
|
| combined cycle power plant module | 8/14/2006 |
Q: we are dear sirs, we are requested as aconsultant tocomment on a module comprising of 3 gas ...
A: Sorry to say I cannot cite a public study of these two arrangements, but I have worked with both. ...
|
| Combined Cycle Power Plant | 6/16/2006 |
Q: How many watts of power can be generated per mmbtu in a combine cycle power plant.
A: Dayamay - Depends on how the plant is designed, how old it is, etc. But my guess is that the average ...
|
| power lines | 6/10/2006 |
Q: could u tell me what the things that hold the line on a wooden pylon are called and made from please ...
A: I think you're referring to "insulators." They are made of material that does not conduct ...
|
| How much do you know? | 6/6/2006 |
Q: Stevens, I wonder how much do you really know about the construction of power plants, its costs, ...
A: Chow - Anyone who hopes for competent assessments of the technical, economic, financial, operational ...
|
| Storing of excedent energy produced | 4/21/2006 |
Q: Using induction motors as generators and wind turbine as prime mover , How should one stores the ...
A: Good thinking, Florent! Actually, the utility grid cannot "store" the excess energy generated by the ...
|
| Steam Turbine | 2/12/2006 |
Q: I would like to know as to what is the optimum steam turbine inlet pressure(in bar) if the ...
A: nitin - That's a sophisticated question. If your question relates to a real life situation then it ...
|
| International power gird | 1/21/2006 |
Q: Your profile is indeed impressive so I would greatly value your help in answering my question. I ...
A: Frank - I appreciate your question and applaud your sincere concerns. Alas, scientists, engineers, ...
|
| Electricity Conservation | 1/20/2006 |
Q: I am the Administrator of a Health Care Facility. Due to increase in electric rates, I'm asking ...
A: Billy - Not true. Motion sensor with built in time delay of like 5 minutes would be ideal for ...
|
| using electric | 1/13/2006 |
Q: Bill just a basic question. I am forever running around my home turning out lights that my kids ...
A: Glad you asked! Two important reasons to keep setting a good example yourself and to keep pressing ...
|
| Electrics | 12/29/2005 |
Q: don't know if you may be the right person to talk to . I want to negociate with an electric company ...
A: Mr Soul - You can look in the phone book yellow pages or on the internet for electric utilities, to ...
|
| Electricity generation | 12/18/2005 |
Q: My son has been given a school project on ideas for power generation. He and his class-mates have ...
A: Ah, the old reciprocating engine. Whether it's up/down or back/forth sideways, we can pin one end of ...
|
| electricity | 12/17/2005 |
Q: i understand that to produce electricity conductors have to be cut, normally at right angles to each ...
A: Philip - Obviously you've given this a lot of serious thought. But the simple answer is: We're ...
|
| Heating costs | 12/8/2005 |
Q: I know that heating with electricity is much cleaner, although sometimes problematic because of ...
A: Sorry I can't answer generally, because it depends on relative prices of energy from gas and ...
|
| cost | 11/17/2005 |
Q: I have been trying to figure out cost and this is what I have. My furnace is 100000 btu and about ...
A: Gary - Been outta town and forgot to sign off, sorry for the delayed response. Let me do an example ...
|
| Insulation of a High Power line | 11/14/2005 |
Q: How much insulation would be required to fully (safely) insulate a high power line running from a ...
A: Matt - Been out of town and forgot to sign off ... sorry for the delayed response. It all depends ...
|
| cycling energy | 11/4/2005 |
Q: Would it be possible to create enough energy to run the average household by harvesting the energy ...
A: Tom - Let's say that all you want to do is power 10 light bulbs, each 100 watts, for just one hour. ...
|
| What is cheaper?? | 10/18/2005 |
Q: What is cheaper, gas or electric stoves and dryers for the average households utility bill?
A: Robert - We just bought a washer and dryer ourselves, and are looking at a new kitchen range/oven as ...
|
| efficient power plant | 8/30/2005 |
Q: what is the most efficient power plant today?
A: Sorry to be so late in getting back to you ... I've been out on 2 weeks vacation and just got back ...
|
| Economy Of Air Conditioning | 8/26/2005 |
Q: I have a question about whether to use aor con or fan. I am visiting my brother who seems to beleive ...
A: Sorry to be so late in getting to your question ... I've been out of the country. If you have ...
|
| Parallel operation of power transformers | 7/21/2005 |
Q: Good day! would just like to ask your thoughts about paralleling power transformers momentarilly for ...
A: Eric - Don't rely on anything I say about this ... I'm a mechanical engineer, not electrical. Any ...
|
| Electric Cars | 7/13/2005 |
Q: I have been researching electric cars and how they stack up to gasoline motors. Most electric car ...
A: Brad - You're doing some good thinking there. Keep it up. There are a few wrinkles to be worked out ...
|
| steam turbines | 7/8/2005 |
Q: sir, you have given us the information at a turbine efficiency of 75 %.however the normal ...
A: Mithun - The max 40% efficiency number you mention would be about right for the overall, entire, ...
|
| Explanantion, Apology | 7/6/2005 |
Q: Mr. Stevens: Evidently, I may have inadvertantly insulted your expertise, or hurt your feelings, by ...
A: Ok, ok ok, Mike! What it it? Do you have a bet with someone? I haven't checked our subject board so ...
|
| about steam turbines | 7/6/2005 |
Q: sir,i didn't get your previous mail since my email id on yahoo.com was expired so please give me the ...
A: Mithun - I'll explain the estimate, but must do it in English units since it's late at night here at ...
|
| Pump Handle on High Power Breaker Box | 6/29/2005 |
Q: Bill, and thanks in advance for your answer. I was watching Jurrassic Park last nite, and a freind ...
A: Mike - I don't remember the scene, but as you describe it I understand the question. First, I must ...
|
| wasteheat boiler | 6/20/2005 |
Q: Please advise the best way to use the byproduct gas with following details for power generation. By ...
A: Pothalakaro - Sorry to be so late getting back to you! What a great engineering economics question. ...
|
| solar garden light | 6/9/2005 |
Q: I need some information about solar garden lights about their structure and how they work .I am a ...
A: Reza - I'm not an expert in solar panels, but I know that the garden lights simply use a small solar ...
|
| Peak and it's impact to billing, nonresidential | 4/8/2005 |
Q: Figuring the cost of operating a load in a residence with a fixed KWH rate is not a problem for me. ...
A: Roman - You've got the right idea. Commercial/industrial rate practice varies slightly from utility ...
|
| parallel operation of two alternators | 4/5/2005 |
Q: my question is how do i parallel two alternators? How do I use a lamp indicator to know when the two ...
A: Mark - These's a good discussion of synchronizing practices in the following online document, Sec 6, ...
|
| Engineering Services in Utility | 3/9/2005 |
Q: Our company provides engineering solution for various domains of industries like power, Oil&Gas, ...
A: Siddharth - How much outsourcing of CAD etc varies greatly depending mostly on the size of the ...
|
| Wind Power | 2/27/2005 |
Q: The company I work for is exploring alternative power sources, particularly wind generated power in ...
A: Joe - You're going to need a very detailed study with several kinds of expertise involved to tell ...
|
| Three Phase versus written-pole | 2/19/2005 |
Q: Bill. A clarification and a follow-up, if I may. I want to purchase a variety of three phase ...
A: Aha! New machines coming in that already have 3-phase motors. That in itself ought to be sufficient ...
|
| Three Phase versus written-pole | 2/16/2005 |
Q: My utility is offering financial support for companies, like mine, that want to bring three phase ...
A: Nick - Sorry for the delay in response, I was away and neglected to change my availability. If your ...
|
| can you help | 11/28/2004 |
Q: the local electricty company have preposed to lay an underground high voltage cable along our street ...
A: John - I'm not an electrical transmission expert, so my opinion is not expert. However, I'm aware ...
|
| Power Plant | 9/20/2004 |
Q: I bought a second hand old Diesel french electrical plant brand AUBRY for my fishing lodge in ...
A: Philippe - Checked your website and must congratulate you on a great presentation and a wonderful ...
|
