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Microwave Generator
2012-02-05 16:08:00 which microwave generator is used in microwave repeaters in telecommunications?
Stator Earth Fault for High Voltage Generator Still Persist
2012-02-03 12:27:00 Could someone tell me recommended setting (ISO based lists) of different generators ratings and transformers??? It will help me in future problem. My generator has 12.5 MVA with neutral grounding transformer of proximate 9kva after Meggering using 5000kv or any other megger???? When u troubleshoot e
Marine Wind generator setup?
2012-02-02 04:13:00 How would i go about hooking up two wind generators or even one to a 3 phase converter to supply power to a tv an a outlet on my sailboat 74 28ft Irwin ive taken the diesel motor out an replaced it with a 12hp electric. (400 to 600w windmill) an have one just charge my batteries. Im 21 going to sail
Continuous Motion, Gravity-Driven, Power Generator: Pinwheel Generator
2012-01-30 20:57:00 I would like to bring to your attention the design of the Pinwheel Generator that was given to the world for free: www.squidoo.com/pinwheelgenerat-or . This is a compound mechanism where there are two mechanisms, operating independently, within one machine body. Each mechanism is gravity driven (dead
Stator Earth Fault for High Voltage Generator
2012-01-30 16:00:00 I gatta such indication in 11MW HV generator during synchronization time, as result we could not be able to synchronize machine....after troubleshoot we came to conclude maybe Lightening Arrestor or Voltage Transformer(Ground transformer ) maybe defective...could someone tell me what to do ???how ca
Replace My Golf-cart's 48V Battery Pack With a Small Engine Generator?
2012-01-24 07:58:00 For my project I need to run a golf-cart with a small engine generator,a 100CC or a 150CC engine. The golf cart presently has a old 48V Lead-acid battery pack which I no longer intend to use. I need to know whether i will have to take a 150CC bike engine and a car alternator and make my own engine-g
Kohler Generator AVR Adjustment Procedure
2012-01-23 19:10:00 Dear All, Has anyone ever came across adjustment of parameters (voltage, gain, U/f) of AVR (type:A-360420, PCB ASSY, FR2 RMS Reg., 12V, 12-Lead) for Kohler Generator 20-200REOZJB ?. If yes, is there a dedicated procedure for above mentioned activity you could share with ?. Thanks in advance, Paat
Why Capacitor Should Be Off While Starting Generator
2012-01-23 11:14:00 psl some one help me.... Why capacitor bank should be turned off while starting the disel generators DG.....????
Using A Philips T581 Washing Machine Motor As A Generator
2012-01-22 18:28:00 Hello, I have just cannibalized an old Philips T581 washing machine for parts, including its motor. It appears to be an Ardo make (Slovakian) with the following specs: 220v; 50 Hz 2Pol 2800/min 2.4 A 16 Pol 300/min 1.6 A There are two Live, two Earth and two Neutral wires coming out of th
Neutral Connection In Generator Paralleling
2012-01-18 23:15:00 Hello I am planning to connect the neutral of the entire three synchronized cat 608 kva similar generator set on the common ground bus bar (the ground will also be connected to the bus bar) without any neutral- grounding contactor (this is because I am using 3 pole contactors for the main synchroni
Temperature Rise At Upper Thrust Bearing Of Generator
2012-01-09 17:20:00 Sudden Rise of Temperature at Upper Quide Bearing of Generator As Hydro Engineer...please help me I got a temperature rise at upper thrust guide bearing of generator (34MW,11KV & Ns=145rpm) at my working plant ..primarily i was thinking maybe my sensors was defectives but trouble shooting rev
Generator Problem
2012-01-07 14:36:00 Can anyone help me solve the problem of small 250 kw AC generator? The current is too high causing the generator set acb to trip with only a small kw load. What are the parts need to be checked? Thanks a lot
Synchronous Generator In Isolated Mode Basics
2012-01-04 17:40:00 Suppose, A generator is running at isolated mode and is at steady state with 100% excitation, 100% rated terminal voltage and 100% input and output power. (Internal losses asides for now and assume fixed resistive load).Keeping every other things constant,What happens when we over-excite slightly, s
Generator Droop
2012-01-04 16:09:00 hi guys, I have problem with my generators.. whenever I parallel them the load KW start hunying and became unstable. I planning to increase the droop setting in woodward 3201D from 3% to 5%. I already contact woodward and they told me to stay with 3% but caterpillar technician advices me to increase
Generator Trip in Reverse Power
2012-01-04 12:43:00 Rolls-Royce Bergen 2nos. KVGS 18G4 Leory Somer alternator 4500 KVA ( engine no. 1 & 3) and 2 nos. B35:40V 20AG Engine, AVK alternator 10600 KVA ( engine no. 4 & 5) runs in parallel operation in droop mode giving power in local grid and load feeder, Reverse power setting Engine 1 to 5 -3.0%
Save 49%: Camco Gen-Turi RV Generator Exhaust Venting System
2012-01-04 09:00:00 List Price: $188.83Deal Price: $96.88You Save: $91.95 (49%)The Camco Gen-turi RV Generator Exhaust System is a venting system designed specifically for RV generators that provides for fresher air around RVs as well as reduces generator noise. The Gen-turi utilizes a tubing and coupling system to raise generator exhaust above the top level of your RV. It can be used with RVs utilizing virtually any exhaust pipes size by way of a variety of adapters. Additional features include: light weight design, a rubberized stabilizing/sound reduction system and a storage bag.Expires Jan 19, 2012
Diesel Generator Starting Time
2012-01-03 11:22:00 hi, Generally, emergency diesel generator is kept in electrical powerhouse as standby power source in case of failure of other source coming. What would be the ideal time that it should be started ? - will it be around 3s to 4s or around 13s to 15s - so that emergency loads could be supplied with c
Solid Fuel Fired Hot Air Generator
2012-01-03 07:07:00 i want to generate 400 nmcube of air at 400 deg cetigrade from ambient air , hot flue gas is supplied by solid fuel fired furnace, i want to fabricate cell & tube type heat exchanger , flue gas would pass from tube side & required hot air pass from cell side. could you please tell me the tot
Deteriorating Hydrogen Purity in Generator
2011-12-31 11:09:00 We have 220 MWe generator , the rotor being cooled by Hydrogen. We are facing problem of continuous declining Hydrogen purity. We are finding Nitrogen and other gases in Hydrogen. Anyone faced similar problem before? What may be the reasons? The generator is sealed by seal oil ( ISO VG 32) by ma
Generator Hydrogen Purity Deterioration
2011-12-31 11:08:00 We have 220 MWe generator , the rotor being cooled by Hydrogen. We are facing problem of continuous declining Hydrogen purity. We are finding Nitrogen and other gases in Hydrogen. Anyone faced similar problem before? What may be the reasons? The generator is sealed by seal oil ( ISO VG 32) by mainta
Generator and Capacitor
2011-12-22 03:51:00 I want to know if there is a capacitor that I can put in line with a 25kw diesel generator? Will this help my generator run smother when at full load? Or do I need a battery bank and a inverter to make this idea work? Generators make a lot of electricity but can't handle big surges in load because t
How to Design a PWM Generator Using ICs?
2011-12-21 08:28:00 can someone give me the circuit for designing unipolar PWM wave of average current 0-500mA??
Generator Size to Charge an Electric Car
2011-12-16 00:40:00 I looked at a Nissan LEAF. My question is about the size of generator I would have to build. It got a 80 kW AC synchronous, electric motor, 24 kWh lithium-ion battery, range only 100 miles, it got a 3.3 kW onboard charger, portable trickle charge cable (120 V EVSE), quick charge port (400+ V DC) doe
What is the Maximum % Operating Load for a Particular Generator
2011-12-14 06:54:00 Sir , I have a dg set capacity 500 kva, how much % load can i applied on it for it's smooth operation & what is the maximum operating time for it's over loading operation. Gaurav india
Generator Reactances.
2011-12-10 14:04:00 Can some one assist for calculating generator reactances like transient reactance , sub transient reactance, direct axis tansient/ sub transient reactances from electrical parameter like voltage , current , p.f. of a running generator? Why short circuit current is calculated from direct axis sub tr
AC Generator AVR
2011-12-08 16:37:00 hi gents, on most different types of avrs used for controling the output of ac generator 3 phase 380v or 220v, l noticed that the manufactorer use SCR to convert the ac in to varaible dc output. i understand this, but i got an idea to use transistor instead of thyristor, i mean to convert the ac i
Ungrounded Generator Neutrals
2011-12-02 17:15:00 What are the pros and cons on U.S. shipboard installations of grounding the neutrals of 480 Volt wye connected generators. Lighting being supplied by 480V/208V-120V, delta/wye transformers. The transformer secondary neutrals being grounded. IEEE Standard 45-2002 and the U.S. Coast Guard by 46 CFR 11
Stepper Motor on Gas Generator
2011-12-02 15:54:00 I have a small generator that runs through out the day but does not have a load but maybe 30% of the time. I have a box of parts collected that consists of a 'shoebox' PLC. This has a stepper motor output that I was thinking of driving to control the throttle of the generator. There are all flavors
Regarding Synchronous Generator
2011-12-02 15:22:00 What will happen if a synchronous generator is run at a frequency other than the designed frequency, e.g. a 50 Hz generator is run at 60 Hz or 40 Hz.
Minimum Contactor Closing Time for Generator Synchronization
2011-11-27 14:42:00 Dear all I have a 1600 ampere electrical contactor which I plan to use for automatic generator synchronization. The manual says the closing time of the contactors is between 40ms-80ms. But I have read on some synchronizing manual it says the closing time of a contactor should not be greater 20 ms.
Very Small Commercial Windmill/Generator?
2011-11-21 22:45:00 Can you folks suggest a commercially available, very small windmill/generator that I can stick on my garage roof so that I can investigate the problems of too little wind, too much wind, etc? I have built a 1.4 watt generator but I don't want to build everything from scratch or from instructions. I
DC Generator and HVDC
2011-11-21 19:56:00 I want to replace all Alternators in power stations with DC Generator So what will be the consequences. I mean will it affect efficiency of overall power plant? Or is DC generatos has less life time compare to its Alternator counterparts?
ColorZilla Ultimate CSS Gradient Generator
2011-11-21 17:34:00 We don’t need no stinking .jpg background gradient. Now that CSS3 is being widely accepted by most browsers the need for slow loading images for rounded corners, drop shadows and gradient backgrounds no longer exists. One of the best and … Continue reading →From: Real Estate Blog Lab ColorZilla Ultimate CSS Gradient Generator
Gas Turbine Generator Fuel Consumption
2011-11-20 11:52:00 Dears; I would like to request your kind help, I need the formula for fuel consumption?
Generator Transfer Panelboard
2011-11-19 07:55:00 Hi, We want to design generator transfer switch panel board in our system approximately 1100 KVA. We have to use 3x(3x240/120 mm2 ) NYY cable according to the IEC 60502-1 between main panel board and generator transfer switch panel board exclude outgoings. So how can I seperate all three cable phas
Generator Cap. Comp.
2011-11-18 11:25:00 im computing generator current capicity with rated 300KW,3ph, 230V,80%pf. and come-up with an ans. of 941A.. is this the line current? how can i get the current per phase?
Grounding Generators Connected to a Bus at Generator Voltage
2011-11-12 16:31:00 I've seen examples of generators connected to a bus at the generator voltage having grounding system in which only one generator is connected to ground at a given time. Can somebody explain if it is a correct practice?
Separate CT Core for Generator Differential Protection?
2011-11-09 19:10:00 Is it necessary for the differential protection system, especially of a generator, to have a pair of dedicated CT cores? Is it possible to share CT output from a CT core for the differential protection? I'm guessing otherwise. Anyways, please help remove my doubt with some solid reasons!
Colloidal Silver Generator
2011-11-01 12:46:00 confused on how to get ionic collidal with out flaking off of the silver AC or DC ? Pulse or no pulse? Who knows how to leach .9999 silver into distiled water the right way?
Generator
2011-10-31 05:04:00 Hi Guys I have a plant that runs on American voltage 3phase 220 50Hz[line 1 to line 2], but the generator I have is British voltage 3 phase 50Hz380 [line 1 to line 2] at a capacity load of 200 kva. However I decided to re-arrange the output terminals of HIGH WYE 3 phase, 380volts to SERIES DELTA 3
Planning Low Fuel Consumption DC Diesel Generator
2011-10-29 22:55:00 Dear users, I am a beginner, I need some advice at my prototype. I have finished my prototype at dc diesel generator diesel engine : kubota Z-482, 2 cylinders, 6.9KW at 3000 Rpm, water cooled. alternator : custom spec 3 phase brushless alternator, 4 pole, 1500 Rpm, 8KVA, DC load : telecommunicat
circuits of AVR for a Three Phase Generator
2011-10-29 10:26:00 circuits of AVR for a Three Phase Generator?
Circuits of AVR, For a Three Phase Generator
2011-10-29 10:20:00 circuits of AVR for a Three Phase Generator
Brake Generator
2011-10-26 21:41:00 1)whats the basic concept around using brake generetor in air separation plants? 2)whats the sequence of operation of starting this brake generator? we have 320 KW brake generator coupled with turbine in the cold box of ASU having delta connection as per manufacturer(WEG)but when we start it trips
Jane Smith: Fuzz Box Girl - Gemini III Dual Fuzz Generator
2011-09-13 00:49:00 http://www.spacemaneffects.com- and http://www.fuzzboxgirl.com Yes.... you read that right.... this pedal is a limited run of only 150... there are 20 Copper, 40 White (which I believe is already all sold out) and 90 Silver. This beast has both Germanium and Silicon trannies and has so many possibilities inside that it is insane. I love everything about this pedal.... the tones, the design, the awesome vintage aerospace light..... I just love it :) I was not able to even begin to show all of the possibilities of this pedal, so I just went through what I could.... check it out quickly if you like it! Gear used: Univox Ripper VOX AC30 combo with blue celestion speakers Shure SM57 Fuzzbox Cocktail- Blast Off (check out www.fuzzboxgirl.com for the recipe ) Gemini III Dual Fuzz Generator by Spaceman Effects- Limited production of only 150
News: Android looper and backing track generator
2011-08-02 01:58:00 Uloops Music Studio it's a complete composition environment for android devices. Make hi-quality tracks using three concepts: Song, Loop and Devices (including Synthesizers, Drum Machines, Modulators andRecorders). Publish your songs in our community and adapt the work from others to your compositions. More features and screenshotshttp://uloops.net/um-c/index.php
FREE ONLINE EBOOK COVER MAKER / GENERATOR
2011-07-28 07:34:00 Just found a website – MYECOVERMAKER.COM – it provide a tool to create ebook cover instantly , it’s online and they have some templates that is FREE to use : Binder Laying Open, Ring Binder Laying, Paperback Stack, Software Box Open Top and Ring Binder Standing template. Actually you can use this tool to create ...
By: FRESH FREE STUFF
Volkswagen FPD New Generator for at Indy Mart Cars
2011-03-16 22:50:00 Volkswagen: FPD New Generator for Air-Cooled Volkswagen New Generator for Air-Cooled Volkswagen Brand new-not rebuilt! Replaces Bosch AL82N to restore proper operation. This item fits: 1998-2007 Volkswagen Beetle (Except Convertible) Plasticolor “molded-in” LADYBUG design floor mats. Heavy-duty Plastisol construction with recessed grid pattern. Price is for a pair of front and rear mats. These are ...
By: INDY 500 CLUB
What is a Gasoline Engine Driven Generator's Average Efficiency?
2011-01-20 23:49:00 what is the average efficiency of a modern 4 cycle gasoline engine driven generator. For example a 10KW rated gen-set. If I were to put 1 BTU equivalent of gasoline into the tank, waste 60%-80% of that through mechanical and heat loss in the engine, and then spin the generator with the remaining, wh
Generator Overspeed
2011-01-20 15:29:00 Hello, Our group Electrogène starts and stops with overspeed overspeed as indicated. We checked the position sensor camshaft and we think just makes the problem. We have audited the ohmic but it seems to cut the four terminals. It is well supplied with |
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