

SC2750-3150-3450-4000-5000UD-MV Power Converter
SC2750UD-MV/SC3150UD-MV/SC3450UD-MV/SC5000UD-MV Medium voltage power converter delivers 99% efficiency with active cooling (no derating up to 45°C), 1500 V DC compatibility, modular tool-free maintenance (IP65/C5-M rated), Battery charge & dis-charge management and black start function integrated.
PEAK EFFICIENCY
3-level topology achieves 99% maximum conversion efficiency.
Active cooling system eliminates power degradation at ambient temperatures ≤45°C.
1500 V DC compatibility maintains full-rated output across voltage fluctuations.
MAINTENANCE SIMPLIFIED
Hot-swappable modular components enable tool-free servicing.
IP65-rated housing with C5-M corrosion resistance for coastal/outdoor durability.
VERSATILE INTEGRATION
4-quadrant bidirectional operation for flexible energy routing.
High-voltage battery interoperability minimizes auxiliary expenses.
Embedded black-start functionality with intelligent charge/discharge protocols.
GRID INTELLIGENCE
Certified to CE, IEC 62477-1, IEC 61000-6, and international interconnection standards.
<20ms reactive power modulation with programmable PF modes.
Grid-following/forming modes featuring LVRT/HVRT (IEC 61400-21), harmonic ride-through, and phased start-up sequences.
Type DesignationSC2750UD-MVSC3150UD-MVSC3450UD-MV
DC side
- Max. DC voltage1500 V
- Min. DC voltage800 V915 V1000 V
- DC voltage range800 – 1500 V915 – 1500 V1000 – 1500 V
- Max. DC current1935 A * 2
- No. of DC inputs2
AC side (Grid)
- AC output power2750 kVA @ 45 ℃ / 3025 kVA @ 30 ℃3150 kVA @ 45 ℃ / 3465 kVA @ 30 ℃3450 kVA @ 45 ℃ / 3795 kVA @ 30 ℃
- Converter port max. AC output current1587 A*2
- Converter port nominal AC voltage550 V630 V690 V
- Converter port AC voltage range484 – 605 V554 – 693 V607 – 759 V
- Nominal grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
- Harmonic (THD)< 3 % (at nominal power)
- Power factor at nominal power / Adjustable power factor>0.99 / 1 leading – 1 lagging
- Adjustable reactive power range-100 % – 100 %
- Feed-in phases / AC connection3 / 3
AC side (Off-Grid)
- Converter port nominal AC voltage550 V630 V690 V
- Converter port AC voltage range484 – 605 V554 – 693 V607 – 759 V
- AC voltage Distortion< 3 % (Linear load)
- DC voltage component< 0.5 % Un (Linear balance load)
- Unbalance load Capacity100%
- Nominal frequency / Frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Efficiency
- Converter max. efficiency99%
Transformer
- Transformer rated power2750 kVA3150 kVA3450 kVA
- Transformer max. power3025 kVA3465 kVA3795 kVA
- LV / MV voltage0.55 kV / 20 – 35 kV0.63 kV / 20 – 35 kV0.69 kV / 20 – 35 kV
- Transformer vectorDy11
- Transformer cooling typeONAN
- Oil typeMineral oil (PCB free) or degradable oil on request
Protection
- DC input protectionDC load switch + fuse
- Converter output protectionAC circuit breaker
- AC output protectionMV load switch + fuse
- Surge protectionDC Type II / AC Type II
- Grid monitoring / Ground fault monitoringYes / Yes
- Insulation monitoringYes
- Overheat protectionYes
General Data
- Dimensions ( W * H * D )6058 mm * 2896 mm * 2438 mm
- Approximate weight16T
- Degree of protectionIP54 (Converter: IP65)
- Operating ambient temperature range-35 to 60 ℃ (> 45 ℃ derating)
- Allowable relative humidity range0 % – 100 %
- Cooling methodTemperature controlled forced air cooling
- Max. operating altitude4000 m (> 2000 m derating)
- DisplayLED, WEB HMI
- CommunicationRS485, CAN, Ethernet
- ComplianceCE, IEC 62477-1, IEC 61000-6-2, IEC 61000-6-4
- Grid supportL/HVRT, FRT, active & reactive power control and power ramp rate control, Volt-var, Volt-watt, Frequency-watt
Type DesignationSC4000UD-MVSC5000UD-MV
DC side
- Max. DC voltage1500 V
- Min. DC voltage1150 V1300 V
- DC voltage range1150 – 1500 V1300 – 1500 V
- Max. DC current1952 A * 22154 A*2
- No. of DC inputs2
AC side (Grid)
- AC output power4000 kVA @ 45 ℃ / 4400 kVA @ 30 ℃5000 kVA @ 40 ℃ / 5500 kVA @ 30 ℃
- Converter port max. AC output current2886 A @ 45 ℃ / 3174 A @ 30 ℃3208 A @ 40 ℃ / 3528 A @ 30 ℃
- Converter port nominal AC voltage800 V900 V
- Converter port AC voltage range704 – 880 V792 – 990 V
- Nominal grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
- Harmonic (THD)< 3 % (at nominal power)
- Power factor at nominal power / Adjustable power factor>0.99 / 1 leading – 1 lagging
- Adjustable reactive power range-100 % – 100 %
- Feed-in phases / AC connection3 / 3
AC side (Off-Grid)
- Converter port nominal AC voltage800 V900 V
- Converter port AC voltage range704 – 880 V792 – 990 V<
- AC voltage Distortion< 3 % (Linear load)
- DC voltage component< 0.5 % Un (Linear balance load)
- Unbalance load Capacity100%
- Nominal frequency / Frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Efficiency
- Converter max. efficiency99%
Transformer
- Transformer rated power4000 kVA5000 kVA
- Transformer max. power4400 kVA5500 kVA
- LV / MV voltage00.8 kV / 20 – 35 kV0.9 kV / 20 – 35 kV
- Transformer vectorDy11
- Transformer cooling typeONAN
- Oil typeMineral oil (PCB free) or degradable oil on request
Protection
- DC input protectionDC load switch + fuse
- Converter output protectionAC circuit breaker
- AC output protectionMV load switch + fuse
- Surge protectionDC Type II / AC Type II
- Grid monitoring / Ground fault monitoringYes / Yes
- Insulation monitoringYes
- Overheat protectionYes
General Data
- Dimensions ( W * H * D )6058 mm * 2896 mm * 2438 mm
- Approximate weight17T18T
- Degree of protectionIP54 (Converter: IP65)
- Operating ambient temperature range-35 to 60 ℃ (> 45 ℃ derating)
- Allowable relative humidity range0 % – 100 %
- Cooling methodTemperature controlled forced air cooling
- Max. operating altitude4000 m (> 2000 m derating)
- DisplayLED, WEB HMI
- CommunicationRS485, CAN, Ethernet
- ComplianceCE, IEC 62477-1, IEC 61000-6-2, IEC 61000-6-4
- Grid supportL/HVRT, FRT, active & reactive power control and power ramp rate control, Volt-var, Volt-watt, Frequency-watt