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Central Inverter

EP-3125-HC-UD/10~35, EP-3400-HA-UD/10~35

MV Turnkey Solution for 1500V Utility PV Plant


Product Brochure
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  • EP-3125-HC-UD_10~35.png
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  • Features

  • Input (DC)

  • Output (AC)

  • Protection

  • Efficiency

  • Transformer

  • General Data

  • Features

  • Input (DC)

  • Output (AC)

  • Protection

  • Efficiency

  • Transformer

  • General Data

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Features
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    More power generation

    · Inverter Max. efficiency 99%, Euro efficiency 98.7%
    · 1500Vdc PV system reduce power loss
    · High DC/AC ratio up to 1.8

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    High reliability

    · Convenient for large block size PV plant
    · Integrated MV transformer and switchgear
    · Night SVG function optional

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    High reliability

    · Capacitor life prediction technology
    · Key components at front side, easy for maintenance
    · Current sensor for each DC input, more reliable for monitoring and control

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    Grid friendly

    · Adjustable reactive power
    · Low harmonics and fast response for grid regulation

Input (DC)
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

Max. PV input voltage1500V
Max. input current

4191A

4075A

MPPT voltage range for nominal power

875~1300V

900~1300V

Number of MPPT trackers2
Number of DC inputs22
Output (AC)
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

AC output power

3125kVA@50℃/3594kVA@25℃

3400kVA@45℃/3594kVA@25℃

AC voltage range10~35kV
Rated grid frequency/range50 Hz/45~55 Hz, 60Hz/55~65 Hz
Output current harmonic (at nominal power)<3%
DC current injection<0.5% In
Power factor at nominal power/range>0.99/0.8 lagging to 0.8 leading
Protection
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

DC input protectionLoad break switch+fuse
AC output protectionCircuit breaker

AC MV output protection

Circuit breaker

Overvoltage protectionDC Type II/AC Type II
Leakage current monitoringYes
Grid monitoring/Ground fault monitoringYes/Yes
Insulation monitoringYes
Overheat protectionYes
Night SVG functionOptional
Anti-PID functionOptional
Efficiency
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

Inverter max. efficiency

99.00%

Inverter EU efficiency

98.70%
Transformer
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

Transformer rated power

3125kVA

3400kVA

Transformer max. power

3594kVA

3594kVA

LV/MV Voltage0.6/10~35kV

0.63/10~35kV

Transformer VectorDy11
Transformer cooling typeONAN (Oil Natural Air Natural)
General Data
Model

EP-3125-HC-UD/10~35

EP-3400-HA-UD/10~35

Auxiliary power supplyStandard: 5kVA, Optional: max. 40kVA
Protection levelInverter: IP65, Others: IP54
Temperature-30～+ 60℃
Allowed humidity (non condensing)0-95%
Cooling methodTemperature controlled forced air cooling
Max. operating altitude2000m (standard) />2000m (optional)
DisplayTouch screen
Communication portRS485/Ethernet, Optional: optical fiber
Certificates and approvals (more available on request)

CE,IEC 62109, IEC 61727, IEC 61683, IEC 62116, IEC 60068, IEC61000,IEC60076,IEC62271

Dimensions (W×H×D)6058×2896×2438mm
Weight18t