High-Voltage Capacitor Banks & SVG/STATCOM Systems

High-Voltage Capacitor Banks and SVG/STATCOM Systems Products

High-Voltage Shunt Capacitor Installation

By switching capacitor banks to provide capacitive reactive power, the following are achieved:

• Improved power factor
• Reduced line losses
• Increased transformer utilization

Features: Proven design, low cost, and suitable for steady-state compensation.

High Voltage Static Var Generator

Based on power electronics technology (IGBT), it dynamically outputs capacitive or inductive reactive power to achieve:

• Rapid reactive power compensation (millisecond-level)
• Voltage fluctuation suppression
• Power quality improvement

Features: Fast response, high precision, and suitability for fluctuating loads.

Core Strengths

Grid‑grade reactive power compensation from 6kV to 35kV – steady or dynamic.

HV capacitor bank: low cost, steady loads
HV SVG: millisecond response, fluctuating loads (arc furnaces, cranes, PV)
Step‑down SVG (10kV→0.4kV, etc.) available
Air or water cooling for 10Mvar+

Certification and Testing

Type‑tested for insulation, temperature rise, protection functions

Certification: Type Test Report
Testing Report: Insulation Level Test, Temperature Rise Test, Five‑Prevention Interlock Test, Noise Measurement
Customizable capability: 6kV / 10kV / 35kV · Step‑down connection available

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Company Capability

High‑Voltage Test Lab

Equipped with 100kV impulse generator and partial discharge measurement system.

Thermal Simulation Expertise

Computational fluid dynamics (CFD) used to optimize air/water cooling for each project.

Field Commissioning Team

Dedicated engineers with over 50 HV substation commissioning experiences.

FAQ

What is the difference between high-voltage parallel capacitor compensation and high-voltage SVG?

High-voltage parallel capacitor compensation is suitable for relatively stable loads (e.g., industrial parks, metallurgical enterprises) with lower cost. High-voltage SVG is suitable for impact/fluctuating loads (e.g., arc furnaces, steel rolling, wind/solar grid connection), offering fast response (≤5ms) and dynamic continuous regulation.

What voltage levels do the high-voltage product series cover?

They cover medium and high-voltage grids including 6kV, 10kV, and 35kV. Other voltage levels can be customized upon request.

What cooling methods does high-voltage SVG support?

It supports both intelligent air cooling and water cooling. Air cooling is suitable for small to medium capacities (e.g., below ±10Mvar). Water cooling is suitable for large capacities (e.g., ±10Mvar and above) or harsh environments.

What protection functions does the high-voltage parallel capacitor compensation device have?

It features overvoltage protection, undervoltage protection, harmonic overlimit protection, overcurrent protection, open-delta voltage protection, arrester switching overvoltage protection, and a five-prevention interlock function to ensure safe operation.

Can high-voltage SVG provide step-down access?

Yes. Custom step-down high-voltage SVG solutions are supported, achieving flexible access via built-in or matching step-down transformers such as 10kV→0.4kV, 20kV→6kV/10kV, and 35kV→10kV, meeting the needs of various grid structures.

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