Static Var Generator (SVG)
The Static Var Generator (SVG) is suitable for voltage systems of 380V-660V and is an important component of Flexible AC Transmission Systems (FACTS). This device acts as a controllable reactive current source that can quickly respond to changes in load reactive power, automatically compensating for the reactive power required by the grid. This helps bring the system power factor close to 1, achieving voltage stability, energy savings, and ensuring the safety of the power system.
Dynamic reactive power compensation can simultaneously compensate for both inductive and capacitive reactive power, effectively reducing energy consumption and improving energy efficiency.
Harmonic suppression cleans the power and mitigates power pollution.
Reduction of voltage dips with a fast response time, adapting to load changes within 1 millisecond, effectively addressing voltage dips caused by large fluctuating loads, and minimizing the impact of external faults on the grid.
Redistribution of three-phase power achieves symmetrical balanced loads, reduces neutral current, minimizes losses, and prevents accidents caused by imbalance.
Closed-loop control algorithm provides high-precision compensation capabilities and can automatically avoid system resonance.
Available in cabinet-style and rack-mounted options, suitable for different installation environments.
Key Features
1. Dynamic Reactive Power Compensation:
Capable of compensating both inductive and capacitive reactive power, overcoming the limitations of traditional switched capacitor banks in dynamic compensation.
Effectively reduces energy losses and improves energy efficiency.
2. Harmonic Suppression:
The device has harmonic filtering capabilities, effectively suppressing 2nd to 13th harmonics in load currents, thereby cleaning the power and mitigating power pollution.
3. Reduction of Voltage Dips:
With a fast response time of 1 millisecond to load changes, it effectively addresses voltage dips caused by large fluctuating loads and minimizes the impact of external grid faults.
4. Three-Phase Load Balancing:
By redistributing three-phase power, it achieves symmetrical balanced loads, reducing neutral current, minimizing losses, and preventing accidents caused by phase imbalance.
5. Closed-Loop Control Algorithm:
Features high-precision compensation capabilities and can automatically avoid system resonance.
Adjusts operational states based on different conditions, achieving energy efficiency of over 99% and enhancing safety.
6. Variety of Product Types:
Available in both cabinet-style and rack-mounted versions to suit different installation environments.
Applications
This device is suitable for industrial, commercial, and other power systems requiring stable reactive power compensation and harmonic control, helping users achieve more efficient energy management.
Electrical characteristicts |
Rated voltage (V) |
AC380±15% or AC660±15% |
Rated Capacity (kvar) |
200,300,400 |
|
Operating Frequency (Hz) |
50±5% |
|
Reactive power adjustment range |
The rated inductive reactive power to the rated capacitive reactive power is stepless adjustable |
|
Response time |
<1ms |
|
Active power loss |
<2% at rated power |
|
Overload capacity |
110% for long-term operation, 120% for one minute |
|
Multi-unit operation mode |
Up to 8 units are operated in parallel |
|
Mean free error time |
≥ 100,000 hours |
|
Control features |
Switching frequency |
Average 6.4kHz |
Control algorithms |
Rotation vector detection algorithm and reactive power closed-loop compensation algorithm |
|
Controller |
Digital DSP |
|
Communication features |
Bodbus remote communication protocol is adopted, and the communication interface is RS485/232 |
|
Structural features |
Ingress protection |
IP20 or customized according to user requirements |
Color |
RAL7035 (light grey), other colors available on request |
|
Cooling method |
Forced air cooling |
|
Monolithic structure |
Floor model |
|
Installation: |
Indoor installation, mounting method optional, cable entry mode optional |
|
|
Model Selection Table
Version |
Model specifications |
|
module |
CN-SVG0.4-35/4L-B |
CN-SVG0.4-35/3L-B |
CN-SVG0.4-50/4L-B |
CN-SVG0.4-50/3L-B |
|
CN-SVG0.4-75/4L-B |
CN-SVG0.4-75/3L-B |
|
CN-SVG0.4-100/4L-B |
CN-SVG0.4-100/3L-B |
|
Cabinet |
CN-SVG0.4-100/4L-G |
CN-SVG0.4-100/3L-G |
CN-SVG0.4-150/4L-G |
CN-SVG0.4-150/3L-G |
|
CN-SVG0.4-200V4L-G |
CN-SVG0.4-200/3L-G |
|
CN-SVG0.4-250/4L-G |
CN-SVG0.4-250/3L-G |
|
CN-SVG0.4-300/4L-G |
CN-SVG0.4-300/3L-G |
|
CN-SVG0.4-350/4L-G |
CN-SVG0.4-350/4L-G |
|
CN-SVG0.4-400/4L-G |
CN-SVG0.4-400/4L-G |
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Tel:+86 15538537280
Email:lycnelectric@163.com
Add:No. 9 Duyu Street, Luolong District, Luoyang City, Henan Province