HV static var generator, using multiple DSPs and FPGAs as the control core, and instantaneous reactive power theory control technology, FFT fast harmonic calculation technology, and high-power IGBT drive technology are adopted. The design goal is high reliability, easy operation, and high performance. It can quickly and continuously provide capacitive or inductive reactive power, achieve various control modes such as constant assessment point reactive power, constant assessment point voltage, constant assessment point power factor, and comprehensive compensation. The HV SVG, not only can it automatically compensate for reactive power, but it can also dynamically compensate for harmonics at the same time, ensuring the stable operation of the power system. It is suitable for occasions with strict reactive power response time requirements, such as steel rolling, steelmaking, lifting, and impact loads.
Response speed: using instantaneous reactive power theory, the controller corresponding time is ≤1ms, and the full power corresponding time≤5ms.
Negative sequence suppression: can quickly compensate for the negative sequence current generated by load imbalance, always ensuring the balance of thre
phase current flowing into the grid.
Multiple modes: with constant reactive power, constant power factor, constant voltage, negative sequence compensation, and other modes, it can switchoperating
modes online.
Harmonic control: The device can effectively compensate for 13rd and below orders harmonic, with a maximum compensation rate of up to 92%.
Complete protection: The protection strategy includes device level protection of 10us, device level protection of 0.5-1ms, and system level protection of 52000ms.
Module design: The power unit, power supply, main control system, secondary wiring, etc. adopt modular design for easy on-site installation and maintenance.
Early warning: Real time detection of the temperature of each power unit. When the temperature of multiple units exceeds the set alarm value, an audible an
visual alarm will be issued.
Rated voltage | 6~35kV |
Rated capacity | ±0.5~±25Mvar (6~10kV), ±5~100Mvar (35Kv) |
Output reactive power | Continuous variation from inductive rated reactive power to capacitive rated reactive power |
Response time | ≤5ms |
Overload capacity | 1.2 times overload for 1min |
Output distortion | Total harmonic distortion rate of output current THD≤3% |
Working efficiency | Rated operating condition ≧99.2% |
Working temperature | -20℃~+40℃ |
Corresponding humidity | Month average less than 90% (25℃), no gel |
Cooling method | Forced air cooling, water cooling, air conditioning (optional) |
Altitude | ≤2000m (Higher can be customized) |
Sismic intensity | ≤8 degree |
| Classify | Title | Download |
|---|---|---|
| LEHSVG MV Manual |
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Since its establishment, Lafaelt Electric has focused on comprehensive solutions for power quality and energy management. It has excellent quality in designing, researching, producing and manufacturing.
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