JWT6303A aging and counting control board for three-phase watt-hour meter is designed for power supply system’s watt-hour measurement function and watt-hour meter manufacturer to perform after-calculation counting and aging test on watt-hour meter. It applies to the counting and aging test of three- phase watt- hour meter. The control board is equipped with voltage meter, ammeter, phase meter and other Indicating Instrument. It can be used safely with beautiful appearance and .simple and easy operation.
1. Input power source: 50Hz, 3 x 220VAC ±10%
2. Operating environment: Temperature 20±5°; Relative humidity : ≤ 75%
3. Output voltage: 3 x 57VAC/ 100VAC. 3 x 220VAC/380VAC, adjustment range: 0-120%
4. Output current: 3 x 40A/2.0A/10A/5A/1A, Adjustment range: 0-120%
5. Output phase: 0- 360° , macro-adjustable phase: 30°/shift. micro- adjustable phase: 0.1°
6. Waveform distortion: both voltage and current waveforms: ≤ 5%
7. Hanger carrier and watt-hour mete’s power supply are aluminum alloy structured . Each meter hanger carrier can be hung with meters on both of its two sides, three rows each side, eight meters each row.
8. Max. Number of meters to be hung : Power supply cabinet for watt-hour meters: 1. Max number of three-phase meters to be hung: 4 * 48(one power supply cabinet for each hanger with 48 meter stations
9. Indicating instrument: 3 1/2- digit display for voltage meter/ammeter/power meter {phase meter)
10. Output phase adopts phase shifter for phase shifting purposes which can be adjusted easily and conveniently.
11. Master meter pulse counting and timer counting functions are available
12. Over-output-voltage protection and output counting resetting are available.
13. Power supply: 220VAC, ±10%,50Hz: Max power consumption for counting test: 3500VA
Outer dimensions
Power supply cabinet: 600 x 800x 1920mm
Hanger carrier: 1950 x 550x 1800mm (24 meter stations)
