Fast response - Full response time ≤ 10ms
Stepless compensation - 0.99 level reactive power compensation function
Low-order filtering - Built-in low-order filtering function
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SPU-75 Wall Mounted
Fast response - Full response time ≤ 10ms
Stepless compensation - 0.99 level reactive power compensation function
Low-order filtering - Built-in low-order filtering function
Technical Parameters
System parameter
Grid voltage | 400V/690V (-40%, +20%) | |||||
Rated frequency | 50/60±5%Hz | |||||
Wiring system | Three-phase three-wire, three-phase four-wire | |||||
Circuit topology | Three level |
Performance index
Reactive power com- pensation capacity | 75kvar | |||||
Reactive power compensation capacity | Continuously adjustable capacity | |||||
Reactive power compensation range | Adjustable power factor; reactive power tracking; stable voltage method; fixed reactive power | |||||
Filtering ability | Low-order filtering (3 times, 5 times, 7 times, 11 times, 13 times) | |||||
Three-phase unbalance compensation capability | three-phase unbalance compensation capability | |||||
Full response time | Harmonic compensation≤20ms; reactive power compensation≤10ms | |||||
Machine efficiency | >97% | |||||
Passive output function | Supports up to 24 passive outputs, working with traditional reactive power compensation components and smart capacitors | |||||
Parallel operation capability | Supports up to 10 modules in parallel | |||||
Protection method | Grid over and under voltage, grid over and under frequency, input voltage reverse order, over current, over heat, overload automatic current limit protection, bus short circuit | |||||
Cooling method | Intelligent air cooling, automatic adjustment of air volume according to heat dissipation conditions and load | |||||
Noise | ≤70dB |
Communication and monitoring
Protocol | Modbus protocol | |||||
Communication Interface | RS485/RS232 /Ethernet communication interface optional | |||||
Monitoring module | 8-inch LCD touch screen monitoring module (can achieve active + passive unified control) | |||||
Display content | Real-time running information such as voltage, current, frequency, power factor, waveform curve, parameter setting, record query, etc. |
Mechanical properties
IP rating | IP20 (others can be customized) | ||||
Dimension | refer to product mechanical characteristics for details | ||||
Weight | refer to product mechanical characteristics for details | ||||
Color | RAL7035 |
Environmental requirements
Operating temperature | -25℃~+50℃, derating operation above 45℃ |
Relative humidity | 5%~95%, no frost |
Altitude at Full Load | 2000m, exceeding derating operation |
Related qualifications
Certification | CQC certification, type test report |
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