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micro hydro turbine, crossflow turbine, electronic load controller, load control, micro hydro control
micro hydro turbine, crossflow turbine, electronic load controller, load control, micro hydro control

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ELECTRONIC LOAD CONTROLLER

 



Electronic Load Controller (ELC) is a controller used in micro hydro power to control load and frequency of generator by diverting excess power generated to dummy/ballast load.
The purpose of ELC is to make sure that generated power is the same with consumed power (main load+ballast load)
Power diversion to ballast load is done by electronic switch Thyristor and automatically without any moving parts.
Therefore frequency and voltage will be maintained and stable. Following are some brief advantages of ELC for micro hydro power :
1. Constant generated frequency and voltage
2. No water hammer risk, no need to close turbine
3. Avoid runaway speed on generator
4. No operator required to control water
5. Plug and play system, no setting or adjustment
6. Maintenance free and long lifetime
HIGHLIGHT FEATURES
1. Micro controller based for accuracy and high performance
2. Phase angle control, two steps for less harmonic
3. Built in under/over frequency relay
4. Easy replacement with plug in socket
5. Panel integrated with metering and protection
6. Simple and robust easy in transport
7. Competitive price and most affordable
GENERAL ELC SPECIFICATION
1. ELC Type     Digital system with microcontroller
2. Control method Phase angle control, two steps
3. Power           1 - 500 kW
4. Voltage   230/400 Volt (1 and 3 Phase)
5. Frequency 50 Hz or 60 Hz
6. Freq. accuracy <± 0.2 Hz
7. Freq. sensing 10 ms or 100 times/s at 50 Hz
8. Recovery time ±3 seconds
STANDARD PROTECTION STANDARD METERING
1. MCCB for main load  1. Pilot lamps, 3P 
2. Contactor for main load 2. Amp.meter ballast, 3P 
3. Fuse/ MCB for protection 3. Amp.meter consumer, 3P 
4. Over/Under Freq. (optional) 4. Voltmeter generator, 1P
5. Over/Under Volt. (optional) 5. Hour counter, 1P
6. Lightning arrester (optional) 6. Frequency generator, 1P

DOWNLOAD ELC BROCHURE

ELC BROCHURE ENGLISH

ELC BROCHURE BAHASA

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