SG3400/3125/2500HV-MV-20 SG3400/3125/2500HV-MV-20

MV Turnkey Station for 1500 Vdc System - MV Separate

Transformer + RMU
Type designation SG3400HV-MV-20 SG3125HV-MV-20 SG2500HV-MV-20
Input (DC)
Max. PV input voltage 1500 V
Min. PV input voltage / Startup input voltage 875 V / 915 V 875 V / 915 V 800 V / 840 V
MPP voltage range for nominal power 875 – 1300 V 875 – 1300 V 800 – 1300 V
No. of independent MPP inputs 1
No. of DC inputs 21 (optional: 24 negative grounding 18 – 24
or floating; 28 negative grounding)
Max. PV input current 4178 A 4178 A 3508 A
Output (AC)
AC output power 3593 kVA@ 25 ˚C / 3593 kVA@ 25 ˚C / 3437 kVA@ 45 ˚C 2750 kVA@ 45 ˚C /
3437 kVA@ 45 ˚C / 3125 kVA@ 50 ˚C 2500 kVA@ 50 ˚C
Max. AC output current 3458 A 3458 A 2886 A
AC voltage range 10 – 35 kV
Nominal grid f requency / Grid f requency range 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
THD < 3 % (at nominal power)
DC current injection < 0.5 % In
Power factor at nominal power / Adjustable power factor > 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases 3/3
Efficiency
Inverter Max. efficiency 99.0 %
Inverter Euro. efficiency 98.7 %
Transformer
Transformer rated power 3437 kVA 3125 kVA 2500 kVA
Transformer max. power 3593 kVA 3593 kVA 2750 kVA
LV / MV voltage 0.6 kV / 10 – 35 kV 0.6 kV / 10 – 35 kV 0.55 kV / 10 – 35 kV
HIGH YIELD EASY O&M Transformer vector Dy11
Transformer cooling type ONAN (Oil Natural Air Natural)
Advanced three-level technology, max. Integrated current, voltage and MV parameters
Oil type Mineral oil (PCB free) or degradable oil on request
inverter efficiency 99 % monitoring function for online analysis and
fast trouble shooting Protection and Function
Modular design, easy for maintenance DC input protection Load break switch + fuse
Convenient external touch screen Inverter output protection Circuit breaker
AC MV output protection Circuit breaker
SAVED INVESTMENT GRID SUPPORT Overvoltage protection DC Type I + II / A C Type II
Grid monitoring / Ground fault monitoring Yes / Yes
Low transportation and installation cost Compliance with standards: IEC 61727, IEC 62116
Insulation monitoring Yes
due to 20-foot container design Low/High voltage ride through (L/HVRT)
Overheat protection Yes
DC 1500 V system, low system cost Active & reactive power control and power ramp
Q at night function Optional
Integrated MV transformer and switchgear rate control
General Data
Q at night function optional
Dimensions (W*H*D) 6058 * 2896 * 2438 mm
Weight 17T 17 T 18T
Degree of protection IP54 (Inverter: IP55) IP54 (Inverter: IP55) IP54
Auxiliary power supply 415 V, 15 kVA (Optional: 415 V, 15 kVA 415 V, 5 kVA (Optional:
CIRCUIT DIAGRAM EFFICIENCY CURVE (SG3400HV-20) max. 40 kVA) (Optional: max. 40 kVA) max. 40 kVA)
Operating ambient temperature range -35 to 60 ˚C -35 to 60 ˚C -35 to 60 ℃
DC
(> 45 ˚C derating) (> 50 ˚C der ating) (> 50 ℃ derating)
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MV Transformer
Allowable relative humidity range (non-condensing) 0 – 95 %
100%

AC AC
DC EMI
Cooling method Temperature controlled forced air cooling
----------------------

Filter 98%
Filter

Medium-voltage
Max. operating altitude 1000 m (standard) / > 1000 m (optional)
Eff iciency

DC Switchgear 96%
DC Bus Inverter Circuit 1
DC EMI
Filter Circuit
M AC SPD
94%
Display Touch screen
DC Breaker Vdc=875V
Vdc=1100V Communication Standard: RS485, Ethernet; Optional: optical fiber
92% Vdc=1300V
DC
AC
Compliance CE, IEC 62109, IEC 62116, IEC 61727
AC
EMI
Grid support Q at night function (optional), L / HVRT, active & reactive power control
----------------------

Filter 90%
DC Filter
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Insulation
DC M DC SPD
resistance
Detector Normalized Output Power and power ramp rate control
Fuse DC Bus Inverter Circuit 2
(optional) M AC SPD
Circuit
Breaker

© 2019 Sungrow Power Supply Co., Ltd. All rights reserved. Subject to change without notice. Version 1.22 © 2019 Sungrow Power Supply Co., Ltd. All rights reserved. Subject to change without notice. Version 1.22

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