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High Voltage Shunt Capacitor

This series of high-voltage shunt capacitors is designed for 11kV/33kV power systems, providing reactive power compensation, power factor correction, and harmonic filtering. Featuring an all-film dielectric structure and eco-friendly C101 insulating oil (PCB-free, ignition point >300°C), the capacitors offer rated capacities from 50 kvar to 750 kvar and are suitable for harsh indoor/outdoor environments (-40°C to +45°C, altitude ≤2000 m). Compliant with GB/T 16927 and DL/T 604 standards, they integrate built-in discharge resistors and external fuse protection, withstand steady-state overvoltage (1.3Un for 1 minute), and seismic activity up to level 7. Widely used in transmission systems, industrial VFDs, and renewable energy plants.

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All-Film High Voltage Capacitor C101 Eco-Friendly Capacitor Reactive Power Compensation Capacitor GB/T Certified Power Capacitor Salt-Resistant Shunt Capacitor

Product Advantages

Technical Parameters

Applications

FAQ

1. Ultra-Low Loss & High Stability

- Loss tangent ≤0.0002; power loss <0.2 W/kvar; temperature rise ≤15 K (full load).

- Lifespan ≥20 years; capacitance tolerance ≤±3% (phase-to-phase).

2. All-Film Dielectric Technology

- Self-healing metallized film structure withstanding 13.2 kV (max operating voltage).

- 15 kJ rupture energy, surpassing safety of oil-immersed capacitors.

3. Eco-Friendly & Extreme Environment Resilience

- Chlorine-free C101 oil; IP54 protection; compatible with high humidity (≤95% RH) and salt fog.

4. Customizable Configurations

- Options: toroidal core, single/three-phase designs, capacity gradation (50–750 kvar).

- Compatible with rectifier transformers and power transformer systems.

Parameter

Value

Rated Voltage

11 kV

33 kV

Rated Capacity

50–750 kvar (customizable)

Frequency

50 Hz

Operating Temperature

-40°C to +45°C

Loss Tangent (tanδ)

≤0.0002

Capacitance Tolerance

≤3% (phase-to-phase)

≤5% (total)

Protection

External fuse + built-in discharge resistor

Certifications

GB 311.1

DL/T 604

CCC

- Transmission Systems: Parallel connection to substation busbars to improve power factor (>0.95) and reduce line losses.

- Industrial VFDs: Compensate reactive power for heavy-duty drives (e.g., rolling mills, mining hoists).

- Renewable Plants: Harmonic filtering (THD ≤5%) for wind/solar collector lines.

- Harsh Environments: Corrosion-resistant operation in chemical/coastal zones.

Q1: Suitable for altitudes >2000 m?

A: Derate capacity by 5% per 1000 m or select high-altitude models (marked “H”).

Q2: How to replace fuses?

A: De-energize, remove faulted fuse (color-coded), replace with 5 kA-rated fuse torqued to 30 N·m.

Q3: Temperature impact on capacity?

A: Temperature coefficient ≤0.4‰/°C; capacity fluctuation <±2% within -40°C to +45°C.

Q4: Lead time for custom orders?

A: 15 days for standard units; 30 days for custom designs (submit voltage/capacity specs).

Q5: DC filtering compatibility?

A: Yes. Select DC-rated models (20% thicker dielectric; 1.5× system voltage).

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High Voltage Shunt Capacitor

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