WEIFAN GROUP MV Turnkey Compact Substation

Short Description:

WEIFAN GROUP‘s MV Turnkey container type compact substation is desined for easy transportation and fast installation. Which is pre-assembled for easy set-up and commissionin. It is modular design to each cell up to 35kV and 3.5 MW....

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WEIFAN GROUP MV Turnkey Container Type Compact Substation

WEIFAN GROUP's MV Turnkey container type compact substation is desined for easy transportation and fast installation. Which is pre-assembled for easy set-up and commissionin. It is modular design to each cell up to 35kV and 3.5 MW.

All components type-tested. Compliance with standards: IEC 60076, IEC 62271, IEC 61439.

MV and LV isolated, with independent control room.All key components front accessible. Online analysis for fast trouble shooting Modular design ,Main device easy replacement.

Circuit diagram -Vector group: Dy11/Dyn5

Circuit diagram -Vector group: Dy11y11/Dyn11

Technical parameter
Type designation	YB-3150KVA
Transformer
Transformer type	Oil immersed
Rated power	3150 kVA @ 40 ℃
Max. power	3500 kVA @ 30 ℃
Vector group	Dy11
LV / MV voltage	0.11 - 0.8kV / 3.3kV - 35 kV
Maximun input current at nominal voltage	2525A
Frequency	50 Hz / 60 Hz
Tapping on HV	0, ±2×2.5%
Efficiency	≥99%
Cooling type	ONAN (Oil Natural Air Natural)
Impedance	7% (±10%)
Oil type	Mineral oil (PCB free)
Winding material	CU / CU
Insulation class	A
MV Switchgear
Insulation type	SF6
Rate voltage	3.3kV, 6.3kV, 11kV, 20kV, 22kV, 30kV, 33kV, 35kV
Rate current	630 A
Internal arcing fault	IAC AFL 20kA / 1s
Qty.of feeder	3 feeders
LV Panel
ACB specification	3200 A / 110Vac ~ 800 Vac / 3P, 1 pcs
MCCB specification	250 A / 110Vac ~ 800 Vac / 3P, 14 pcs
Protection
AC input protection	Circuit breaker
Transformer protection	Oil-temperature, oil-level, oil-Pressure tecnjical
Relay protection	50 / 51, 50N / 51N
LV overvoltage protection	AC Type II (optional: AC Type I+II)
General Data
Dimensions (WHD)	6058 2896 2438 mm
Approximate weight	15 T
Operating ambient temperature range	-20 to 60 ℃ (optional: -30 to 60 ℃)
Auxiliary power supply	5 kVA / 400 V (optional: max. 40 kVA)
Degree of protection	IP54
Allowable relative humidity range (non-condensing)	0 - 95 %
Operating altitude	1000 m (standard) / > 1000 m (optional)
Communication	Standard: RS485, Ethernet, Optical fiber
Compliance	IEC 60076, IEC 62271-200, IEC 62271-202, IEC 61439-1, EN50588-1