Self-healing Low Voltage Shunt Capacitor
Equipped with a self-healing mechanism, this capacitor offers extended service life and enhanced safety performance
- Core Advantages
- Technical Parameter
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1. High reliability
The self-healing feature improves operational reliability, while built-in overpressure protection helps prevent electrical faults due to capacitor failure.
2. Low maintenance cost
Faulted sections within the capacitor are automatically isolated, reducing the need for manual inspection and lowering maintenance costs.
3. Extended service life
The self-healing feature extends the capacitor's service life.Model nomenclature:
①Enterprise code
②Series code (B for shunt capacitor)
③Impregnation code (S for microcrystalline wax, Z for rapeseed oil, C for sesame oil, K for dry)
④Medium code (metallized polypropylene film)
⑤Rated voltage (kV)
⑥Rated capacity (kVar)
⑦Number of phases (3: Three-phase, 1: Single-phase) -
Tangent of loss angle
Capacitance deviation
Withstand voltage
Maximum allowable overvoltage
Maximum allowable overcurrent
Impulse voltage between terminal and housing
Discharge time
Adapt to the environment
≤0.0012
The difference between the measured value and the rated value of the capacitor shall not exceed -5% to 10%. Additionally, the ratio of the maximum value to the minimum value of the capacitor measured between any two line terminals shall not exceed 1.08.
Between poles: 2.15*Un (AC), 10s
Pole to shell: 3kV (AC), 10s
1.1 UN, not more than 8 hours in every 24 hours
1.3IN
8kV
The residual voltage of the capacitor drops from √2UN to 50V or below within 3min after disconnecting the power supply
(1)Altitude: ≤2000m
(2)Ambient temperature: -25 °C ~ +50 °C; The average temperature within 24 hours does not exceed +40 °C
(3)Pollution level: no more than level III
(4)Relative humidity: at 25 °C, the relative humidity of the air does not exceed 90%
(5) Installation location: The outdoor low-voltage equipment should not experience any noticeable shaking or impact vibration. The installation location must be free of explosive hazardous materials, and there should be no gas or dust that can corrode metal or damage insulation.
Keywords:
Self-healing Low Voltage Shunt Capacitor
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