Generator Life Expectancy
2009-09-23 17:38:00 Can you tell me if there is a rule of thumb for the expected life cycle of a power generator? I realize there are many different types used for many different purposes but provided all maintenance is performed both scheduled periodic and unscheduled at the correct time intervals is there some stand
Hydro-Power Generator
2009-09-23 06:12:00 Our 2 Westinghouse generators are rated at 312.5 kva when rotating at 150 rpm. I believe the generators have 64 poles. The turbines are undersized and can rotate the generators at an estimates 120 rpm. Can the generators be rewound or adjusted to produce less power, but at usable frequency, without
Oil changing of Honda generator.
2009-09-23 05:23:00 Dears, I have purchased an old Honda generator 220V 5KVA for domestic use. I don't have any service manual for this gen. I want to know after how much service hours should we change its engine oil? I think, mostly oil changing period equal for small generators up to 10KVA.
Wanted: Small Diesel Generator Set
2009-09-17 18:08:00 Does anyone know if there is a diesel engine with or without a generator that is small enough to fit into a space approximately 10" wide, 10" high and 30" long? I have seen small gasoline/generator sets that size, but not in diesel. It's use will be in a 1/8 scale diesel locomotive.
Diesel Generator Response and Coal Fire Response
2009-09-16 10:31:00 Dear Gents, We have 12 diesels generator @4 MW which set isoch mode on the governor and paralell with 2 coal fire plant @65 MW which set droop via transmission line. When the "giant load" switch on or switch off, both DG and Coal fire plant maintain the frequency back to stable i.e 60HZ, of
what are the statutory requirements while installing 1000 KVA generator
2009-09-16 08:08:00 I would like to know the statutory requirements for installing the 1000 KVA generators and 500 KVA transformers.
what is the relation of the vector group of transformer with the generator
2009-09-16 04:22:00 My Question is: what is the relation of the vector group of transformer with the generator voltage? Why is it necessary to specify the vector group in ordering a transformer?
Transformer Vector Group and Generator Voltage
2009-09-16 04:22:00 My Question is: what is the relation of the vector group of transformer with the generator voltage? Why is it necessary to specify the vector group in ordering a transformer?
Diesel Generator
2009-09-15 16:19:00 Hi friends I started some mass balance equations for a 231kW rated cummins DG set. in that i am getting negative output for load below 40%. What does it mean????
generator parallel
2009-09-11 15:26:00 in our company we have two generator.there ratings are 6.6 MW and 8 MW. and both are connected in synchronism. my question is my incomer 1 and incomer 2 saws values limited with 6.6 MW of incomer 1 and 8MW of incomer 2 ...whyyy
Small Generator / Alternator
2009-09-09 15:23:00 I am building a small sample or demonstration circuit of a battery charging circuit commonly found in engine driven applications. Ideally, I will have an AC motor belt driving a small generator that is controlled by an external regulator. I am looking for suggestions for small generators (approx
Performance of Cummins KTA50-32 Generator Set
2009-09-09 10:28:00 We are about to have a performance evaluation of our Cummins KTA50-32 Generator Set (Prime Power) rated at 1.25 Megawatt. This equipment did not have major overhaul for the last 15 years. Since the maximum stable load that can be provided at our sugar factory is only about 20% of the rated, (a) wil
Generator Not Able to Take Load
2009-09-09 05:47:00 Dear All, This is the first time i have posted in this forum after reading some comments posted by some experience engineers. I have this problem recently, the genset is rated at 625KVA. The engine is from Korea P22LE made by Doosan, and the alternator is made by China licenced Siemens- 1FC2 355
Generator Parallel
2009-09-08 10:37:00 we have a three generators ratings are 6.5MW,6.5MW . all are in synchronism. all generator outgoing are coming as a incomer in our substation.and incomers bus coupler is in on condition . and my question is my incomer saws a different load amp. HOW.why it is not share equal load.
Generator Load Analysis
2009-09-08 03:19:00 I'm somewhat confused about the NAVIC 2-89 equation for determining duty factors when talking about connected power to acutual power. Does this reflect the effeciency of the motor or actual load?
Generator Start up earth fault protection 64ST
2009-09-07 16:10:00 What is meant by - Generator Start up earth fault protection 64ST. Is it normal current based or voltage based function.How to achieve this protection with latest relays
Generator low freqency
2009-09-07 13:05:00 we have perkins1300 series 250 KVA generator The frequency is initially 50 Hz on load suddenly drops to 47 Hz, we have changed the ECM, serviced the engine and pressure pump also changed yet the problem persists What could be the reason/s ?
Where can i buy the stator generator insulation?
2009-09-07 09:34:00 Dear All I need some of vendors that can supply material for stator generator insulation. Could you give us information about it? which one material that we need to re insulation stator generator? Thank you very much for your aids and participation Regards Rita
Electric Generator
2009-08-29 17:05:00 I have 800kva Dorman SE Perkins generator , loading it to the normal peak will always make it to drop on load this is a new development what can i replace or troubleshoot to get it back as before , there is no additional load from what it was before now .
Jacobs Random Number Generator 1.0.0.1
2009-08-24 00:03:00 A small and simple random number generator. Features: Able to generate large random numbers for example, from 1 to 1 billion Able to generate negative random numbers Small file size Standalone application (No installation needed) System Requirements: Windows XP, Vista or Windows 7 Microsoft .NET Framework 3.5 What’s New in version 1.0.0.1: Bug Fixes: Tab button fix – Pressing the tab button now goes to the correct boxes in sequence Added/Changed: ADDED – A link is added to direct you to my homepage ADDED – About dialouge box (Via right click menu) displaying version number ADDED – keyboard hotkey to generate numbers (Alt + G) CHANGED – Number of generated numbers per cycle changed from 99 to 999 New Features: Now able to copy all the generated numbers to the clipboard by clicking the indicated button
Wind Generator Gearmotors made in USA?
2009-08-22 00:17:00 Are there any gearmotor manufacturers in the USA that are used in large wind generators for controlling blade pitch and yaw? Most of them seem to be imported and I am having difficulty in finding out what make and model GE is using in their large wind generators. Regards, Jim
Wanted: LP Generator Conversion Kit
2009-08-21 21:33:00 What company sells a conversion kit to convert gas generator to LP? I have a 15000KW gas guardian generator
Synchronous Generator Keeps Stopping
2009-08-20 19:06:00 Dear folks, I am a newbie here, so please don't mind if i am not that descriptive of the subject. Well, we have a 15 MVA synchronous (hydro) generator with 14 poles,horizontal shaft arangement, rated speed of 428.6 rpm and moment of inertia of 12,000 kgm2. Recently, the machine trip
Thermo Acoustic Generator
2009-08-10 19:16:00 A combined 3 in 1 cooker, coldbox & generator Boasting an conversion efficiency of 15-20% certainly makes this technology to watch!
Wanted: Diesel Generator (DG) Load Bank
2009-08-10 16:44:00 I have a requirement for a transportable system that reads as follows: "The DG shall have a built in load bank that provides a 30% load for the generator." Any ideas on the necessity or purpose of this requirement?
My Stamford generator does not excite
2009-08-06 02:25:00 My 13Kw Stamford Generator was out of service for approx, 2 Years because of Engine trouble. After fixing the engine I excited the Generator using plus on x and minus on xx the Generator worked fine. I turned it back off because I had a leak in the fuel line. The next day after fixing the fuel line
Stamford Generator Problems
2009-08-06 02:25:00 My 13Kw Stamford Generator was out of service for approx, 2 Years because of Engine trouble. After fixing the engine I excited the Generator using plus on x and minus on xx the Generator worked fine. I turned it back off because I had a leak in the fuel line. The next day after fixing the fuel line
Exciter Function in Three-Phase AC Generator
2009-08-05 22:14:00 I would like to know the function of exciter in 3-phase AC generator. As far that i know its gives the starting torque to the generator which helps in pre acceleration of the generator. Is there other function of exciter in the generator? A detail circuit diagram will help too. tq
Generator AVR Boards
2009-08-05 07:50:00 How to check Generator AVR Board and change to equivalent type board.
kvar Load Sharing Methods in Generator Synchronization
2009-08-01 19:19:00 hi all What extra advantage can we get from connecting of current transformers of each generator (in synchronized generators) in series in cross current compensation system .please explain me the different reactive load sharing methods we can use in synchronizing of gensets for KVAR sharing
Load-Sharing Methods in Generator Synchronization
2009-08-01 19:19:00 hi all What extra advantage can we get from connecting of current transformers of each generator (in synchronized generators) in series in cross current compensation system .please explain me the different reactive load sharing methods we can use in synchronizing of gensets for KVAR sha
Problem With Simultaneous Use of Generator and Motor
2009-07-29 19:03:00 I installed a 110kw motor with a Star/Delta panel, but when ever it was switch on it will shut down the 250 KVA 397Amp generator.Reading high amps at 400amp. It happens because of moisture, so I took it and it was rewind, but when connected again its reads High amps at 360amp. What will you advise
Generator Problems
2009-07-27 18:27:00 My company has a deisel generator. We have had a strange problem. The last 3 times the power has been transfered to the generator due to a power outage. It starts at 47Hz and then slowly climbs to 60Hz where it should be. The last time it drained the UPS batteries to our server room....not good. We
Generator Rotor Fault Detection
2009-07-26 14:22:00 How can incipient rotor turn-to-turn winding faults be detected in a 16MW, 15kV, 3-phase 60Hz 1200 rpm synchronous generator with salient pole rotor, while generator is in operation?
Diesel Generator-Testing Scenario
2009-07-22 12:21:00 I want to ask experienced DG SET Maintenance / Application Engineers about DG Set Testing Scenario. 1) For How long Testing based on NO LOAD is permissible. 2) Load Testing <40% is feasible to prevent wet stacking? For Medium Sized DG Set, what will be the best suited load bank.
Honda Generator Doesn?t Charge the Battery
2009-07-21 13:26:00 Dears; I have a second hand Honda 220V, 5KVA, Self start Petrol generator for domestic use. There is a problem in this Gen that it has not been charging the battery. After starting the Gen, I measured the voltage at battery terminals which were 12.41V. Then I opened the wires from
Points to be considered while desinging Generator set Torsionally flex.coup
2009-07-18 14:55:00 Hi! What kind of points to be considered while designing Torsionally flexible flywheel coupling to eleminate / control the frequency & other factors ??? At presnet i am doing project for design of these type of couplings. Regards, Kazim Sopariwala Gujarat (India)
ac generator
2009-07-18 05:55:00 what is the common problems of an alternator of the ac generator in load sharing??
Searching for power dense 4-stroke small generator for race-EV application
2009-07-17 18:55:00 I'm looking to find a power-dense 4-stroke engine that operates at around 10kw/13hp (100cc or so) hopefully operating at near 10,000rpm or so for weight considerations. The application is a generator set for a series hybrid for the formula hybrid competition (formula-hybrid.org) I've searched
air compressor conversion to electric generator
2009-07-10 01:46:00 how to convert that machine INGERSOLL RAND 185 PORTABLE AIR COMPRESSOR CUMMINS DIESEL ENGINE too AN ELECTRIC GENERATOR
Using an Air Compressor as an Electric Generator
2009-07-10 01:46:00 how to convert that machine INGERSOLL RAND 185 PORTABLE AIR COMPRESSOR CUMMINS DIESEL ENGINE too AN ELECTRIC GENERATOR
How to make own generator
2009-07-09 05:59:00 He friends can any buddy tell me how to make own electric generator from household things
How to Build a Homemade Generator
2009-07-09 05:59:00 He friends can any buddy tell me how to make own electric generator from household things
Easy Barcode Generator Software 2009
2009-07-03 11:01:00 Click to enlarge Easy Barcode Generator Software 2009 The Easy Barcode Generator Software creates barcode images in Windows. Features include: copy to clipboard feature to allow easy pasting of barcode images into applications; time saving memory feature that remembers all settings; save to file option that supports JPEG, TIFF, PNG, BMP and WMF ...
Patent Holder for Wind Generator Looking for Investors
2009-07-03 05:49:00 Need help in finding investment opportunities, any ideas, information, would be greatly appreciated
RSS Content Generator Enterprise
2009-06-28 11:11:00 Click to enlarge RSS Content Generator Enterprise 3.5.66 RSS Content Generator is a comprehensive website generator from free RSS feeds (news, press releases and articles) to boost up your search engine rankings or make money with Google AdSense or another advertising program. RSS Content Generator can automatically download new RSS feeds, update your ...
How to Select a Diesel Generator
2009-06-22 17:26:00 Kindly advice me how to select a standby diesel generator for a full load given in KVA /KW ? Thanks suresh
generator low speed for vawt test turbine
2009-06-19 22:16:00 Hi dear mister I'm looking for a low speed generator the power is 600watt and the rpm 80,for the moment I make test with a Ginlong generator 1800watt at 400 rpm I use a multiplicator with a ratio 7.8 so I thing I can not take all the energy from the wind ,I have to mutch inertia ,the test turbi |
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