Mini Static var Generator 10kvar 15A SVG for harmonics mitigation and power factor correction
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- Supplier: Shanghai Yingtong Electric Co. Ltd.
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Product Overview
Description
Products Description
Our static var generator (SVG for short), based on voltage type inverter principle, uses the isolated gate binary transistor (IGBT4) to control the value and phase of AC voltage of inverter, so as to serve the purpose of reactive and harmonic compensation. As the switching frequency of IGBT is very high (dozens of kHz), VG can realize fast compensation for reactive load, and achieve very high compensation precision. SVG is currently the best solution in reactive power control filed. Compared with the traditional SVT represented by TSC, the regulation speed of SVG is faster (the response speed is within 5ms), its compensation precision is high (the power factor after compensation is over 0.99), the compensation method is flexible (ASVG can compensate both inductive reactive power and capacitive reactive power), and SVG also has the function of active filtration of harmonic current.
Specifications | Rated voltage | AC 200V~480V ±15% |
Working frequency | 45HZ~65Hz ±5% | |
Circuit topology | Three-level | |
Wiring mode | Three-phase four-wire | |
Scope of filters | 2 to 50 odd harmonics (the order can be chosen) | |
Effect of smoothing governance | Rate of Harmonic filtering ≥95%; THDi<5% after systematic control | |
Compensation mode | Eg: Harmonic compensation, reactive compensation, and three-phase load unbalance compensation function | |
Effect of reactive compensation | COSΦ≥0.99(after compensation) | |
Effect of Three-phase unbalance compensation | The unbalance degree of three-phase active current is less than 5% after compensation within the rated capacity. | |
Initial response time | <200us | |
Response time | <5ms | |
Active loss of system | <3% | |
Output current limit | Automatically restricted within 100% of rated capacity when outputting | |
Number of units (connected in parallel) | ≤10 units (single CT) | |
MTBT | >100,000 hours | |
Control characteristics | Controller | DSP+FPGA |
Control algorithm | Self-adaptive control algorithm | |
Communication mode | Modbus remote communication protocol is adopted, RS485 and Can Bus are used for communication interface, which supports mobile phone app operation. | |
Control connection | Fiber or electrical connection | |
Structural characteristics | Weight | Refer to the model selection table. |
Level of protection | IP20 | |
Cooling method | Forced air-cooling | |
Noise | <60db (<45db during low-speed operation) | |
Installation method | Module embedded installation | |
Environmental requirements | Ambient temperature | -20~55℃ |
Relative humidity | Maximum 95%, without condensation | |
Mounting height above sea level | ≤1,500m at rated capacity; appropriately reduce the capacity if it is greater than 1,500m |
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