The HD series fast ordinary intelligent power capacitor is designed for situations where the harmonic content of the power network is constant and the reactive power changes rapidly. The product consists of intelligent components, thyristor fast switching switches, current sampling components, temperature sampling, and industrial low-voltage power capacitors, which enable the reactive power compensation device to have excellent performance such as no inrush current, no overvoltage, no arc, no noise, long life, simple installation, and convenient wiring.

The HD series fast ordinary intelligent power capacitor is designed for situations where the harmonic content of the power network is constant and the reactive power changes rapidly. The product consists of intelligent components, thyristor fast switching switches, current sampling components, temperature sampling, and industrial low-voltage power capacitors, which enable the reactive power compensation device to have excellent performance such as no inrush current, no overvoltage, no arc, no noise, long life, simple installation, and convenient wiring.

1、 Product selection

HD-□□□ □□/□□□-□□P□

For example: HD-100SG/480-40P7 with a total compensation of 40kVar, internal series connection of 7% reactance, three-phase switching, intelligent networking

HD-100FG/280-20P7 with 20kVar compensation, internal series connection of 7% reactance, phase switching, intelligent networking

The three-phase compensation method product contains two "△" type capacitors inside, which do not switch on or off at the same time during operation, with switching capacities ranging from (20) kVar to (40) kVar;

The phase separation compensation method product has a "Y" type capacitor, with A, B, and C phases switched on and off respectively, with a switching capacity of (10) kVar to (20) kVar;

The rated voltage is generally 480V for three-phase compensation and 280V for phase separation compensation, with series reactance of 6%, 7%, 13%, and 14%.

2、 Product Technical Parameters

environmental condition

Environmental temperature:- 45～65℃

Relative humidity: 40 ℃, 20-90%

Altitude: ≤ 2000m

Power supply conditions

Rated voltage:~ 220V/～380V

Voltage deviation: ± 20%

Current harmonics: not greater than 10%

Voltage waveform: sine wave, total distortion rate not exceeding 5%

Power frequency: 48.5-51.5Hz

Power consumption:< 3W (when removing the capacitor)

：＜ 4W (when two capacitors are put into operation)

Electrical safety

The electrical clearance and creepage distance, insulation strength, safety protection, short-circuit strength, and the use and control circuit protection all comply with the corresponding provisions of the power industry standards DL/T842-2003 "Conditions for use of low-voltage parallel capacitor devices" and GB/T22582-2008 "Power factor compensation devices for low-voltage power capacitors" of the People's Republic of China.

measurement error

Voltage: ≤ 0.5%

Current: ≤ 0.5%(20%In～120%In)

Reactive power: ≤ 2%

Power factor: ± 0.02% (40% In~120% In)

Temperature: ± 1 ℃

Protecting errors

Voltage: ≤ 0.5%

Current: ≤ 0.5%(20%In～120%In)

Temperature: ± 1 ℃

Time: 20mS

Reactive power compensation parameters

Reactive power compensation error: ≤ 5% of the minimum capacitor capacity

Capacitor switching interval: ≤ 30S

Reactive power capacity: Single unit ≤ 40kvar (three-phase), ≤ 20kvar (phase separation);

Online: ≤ 33 units

Reliability parameters

Control accuracy: 100%

Control allowable frequency: 1 million times

Capacity decay rate of capacitors during operation time: ≤ 2%/year