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Solar & Energy StorageMV Transformer Station

General Description

  • IEC 60076, IEC 62271, ANSI/IEEE Std C57, NEMA

  • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA

  • Mineral Oil / Vegetable Oil (FR3), Free PCB

  • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369

  • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1

  • High altitude correction per IEC 60076 & IEEE C57, ~ 5000m

  • Eco-design Transformer Suitable for All Lower Self-consumption for Higher Yields

  • Robust design against harsh environments, C4 anti-corrosion, High safety & reliability

  • Prefabricated 20' HC Container Design and Pre-tested, No Internal Cabling Needed Onsite

  • LV panel, transformer and RMU real-time monitoring and remote control, without walk-in operation

Typical Specification

MV Transformer Station 6300kVA

Input


AC Power

6,300 kVA @40℃ / 5,760 kVA @50℃

Max. Inverters Quantity

36

Rated Input Voltage

800 V

Max. Input Current at Nominal Voltage

2,428 A x 2

LV Main Switches

ACB (2500 A / 800 V / 3P, 2 x 1 pcs), MCCB (250 A / 800 V / 3P, 2 x 18 pcs)

Output


Rated Output Voltage

10 kV, 11 kV, 15 kV, 20 kV, 22 kV, 23 kV, 30 kV, 33 kV, 35 kV  

13.8 kV, 34.5 kV  


Frequency

50 Hz

60 Hz


Transformer Type

Oil-immersed, Conservator Type

Transformer Tappings

± 2 x 2.5%

Transformer Oil Type

Mineral Oil (PCB Free)

Transformer Vector Group

Dy11-y11

Minimum Peak Efficiency Index

In Accordance with EN 50588-1

Transformer Load Losses*

49.7 kW

41 kW


Transformer No-load Losses*

4.8 kW

5.8 kW


Impedance (HV-LV1, LV2)

7.5% (0 ~ +10%) @6,300 kVA

MV Switchgear Type

SF6 Gas Insulated, 3 Units

MV Switchgear Configuration

1 Transformer Unit with Circuit Breaker

1 Cable Unit with Load Breaker Switch

1 Cable Direct Connection Unit

Auxiliary Transformer

Dry Type Transformer, 5 kVA, Dyn11

Output Voltage of Auxiliary Transformer

400 / 230 Vac

220 / 127 Vac


Protection


Transformer Monitoring & Protection

Oil Level, Oil Temperature, Oil Pressure and Buchholz

Protection Degree of MV & LV Room

IP 54

Internal Arcing Fault MV Switchgear

IAC A 20 kA 1s

MV Relay Protection

50/51, 50N/51N

MV Surge Arrester

Equipped

LV Overvoltage Protection

Type I+II

General


Dimensions (W x H x D)

6,058 x 2,896 x 2,438 mm (20’ HC Container)

Weight

< 22 t (48,502 lb.)

Operating Temperature Range

-25℃ ~ 60℃ 3 (-13°F ~ 140°F)

Relative Humidity

0% ~ 95%

Max. Operating Altitude

2,000 m (6,562 ft.)

2,500 m (8,202 ft.)


Enclosure Color

RAL 9003

Communication

Modbus-RTU, Preconfigured with Smartlogger3000B

Applicable Standards

IEC 62271-202, EN 50588-1, IEC 60076, IEC 62271-200, IEC 61439-1

Components


Auxiliary Transformer (50 kVA, Dyn11)

Optional

1.5 kVA UPS

Optional

MV Switchgear Updated to:

1 transformer unit with circuit breaker

2 cable units with load breaker switch

Optional

Updated to 25kA 1s MV Switchgear

Optional

IMD

Optional

Interlocking

Optional