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Sinopak Medium Voltage Variable Frequency Drives - China

price: 80000.00 Dollar US$

Sinopak medium voltage variable frequency drives Product Structure
Sinopak MVVFD includes integrated structure and split-type structure based on capacity. The integrated structure is adopted in low capacity MV VFD and the split-type structure is adopted in high capacity MV VFD. In terms of an integrated machine, which is compact in size, phase-transformer, power units, control systems, and power frequency bypass are fully integrated into one cabinet; In terms of a split-type machine, phase-transformer, power units, control systems and power frequency bypass are assembled in separate cabinets in which are combined on the spot. Medium voltage input 3KV, 3.3KV, 4.16KV, 6KV, 6.6KV, 10KV, 11KV (-20%~+15%) 50/60 Hz±10% Medium voltage output 0~Rated voltage 0~50/60 Hz, 0.01 Hz Multilevel PWM sin wave, total harmonic distortion (THD) < 4% Performance Inversion efficiency at an rated load > 98.5%, overall efficiency (including the transformer) > 97% Power factor (within the range of speed regulation) > 0.95, power factor (at a rated load) > 0.97 Overload capacity: 110%: long-term stable operation, 120%: 1 minute, 150%: 2 seconds, and 160%: prompt protection Allowable outage duration: 200 ms (and longer under light load) Mean time between failures: > 100, 000 hours Control mode: flux optimization and control with space vector PWM Acceleration/deceleration time: 1 to 3, 600 seconds Switching quantity input/output:11-way/10-way Analog input: 4-way (optional: 0 to 5 V, 4 to 20 mA) Analog output: 3-way (optional: 0 to 10 V, 4 to 20 mA ) Communications: RS485 interface, Modbus-based (optional Profibus-DP and Ethernet interfaces) Control power supply: Single-phase 220 V AC, 5kVA Excitation control ( dedicated for the synchronous motor) Automatic excitation control, manual excitation control, multi-stage speed excitation control, and external excitation control for the MVVFD Environment: Operating in indoor environment without explosive or corrosive gases, conductive dust, or oil fog Operating ambient temperature: 0 degree~+45 degree Storage and transportation temperature: -40 degree ~+70 degree Ambient humidity: < 90% (No condensation) Operating altitude: Derating required for an altitude greater than 1000 meters Protection function: Overcurrent, overload, short circuit, three phase current unbalance, immediate electric outage, input/output phase loss, overvoltage, undervoltage, body overheat, transformer overheat, shutdown due to external fault, and power unit auto bypass Cooling mode: Forced-air cooling User interface: An 10-inch Human Machine Interface Protection grade: IP31


Company Contact:


  • Phone: 15989754164

  • Address: Room 202, Block A, No. 80 Shishan Village, Hengqin Town, Zhuhai, Guangdong, China

  • Email: Email


Published date: July 12, 2017 -

  • Business Description: Our main products and services:
    1. Medium voltage variable frequency drive
    2. Medium voltage soft starter
    3. Static synchronous compensator (STATCOM/SVG)
    4. Active harmonic filter (APF/AHF)
    5. Substation contractor
    6. Low voltage variable frequency inverter
    7. Explosion-proof VFD

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