160 KV 630 KV 800kV Pad Mount Transformer

Product introduction

ZGS11 series modular transformer is a new type of power distribution equipment (also called American box transformer). It is a new kind of pad mounted transformer and a type of product specially designed for distribution network by the company after introducing the most advanced foreign technology and design concepts, combined with domestic conditions. Combined transformers are particularly suit-able for load centers, residential centers, hospitals, schools , airports, and stations in urban power grids, reducing losses and improving power quality.

Technical Parameter

Small size, reasonable and compact structure;
Fully sealed fuel tank, fully insulated design, safe and reliable operation;
Strong overload capacity, excellent resistance to sudden short circuit;
Both ring network and terminal power supply can be used.
Easy operation and reliable power supply;
Energy saving, low loss;
Good impact resistance;
Cable connector number can operate 200A load current, mechanical life and long electrical life

Technical parameter

ZGS11-H ring network modular transformer

Rated capacity (kVA)	Voltage combination(kV)			connection-group code	No-load current %	No-load loss W	Load loss W	Impedance%	A mm	B mm	C mm	D mm	E mm
Rated capacity (kVA)	(H.V.)kV	High voltage lapping range %	(L.V.) kV	connection-group code	No-load current %	No-load loss W	Load loss W	Impedance%	A mm	B mm	C mm	D mm	E mm
100	6 6.3 10 10.5 11	±5 ±2x2.5	0.4	Dyn11	1.6	200	1580	4.0	1840	1145	1800	1800	545
160					1.4	280	2310		1840	1145	1800	1800	545
200					1.3	340	2730		1840	1145	1800	1800	545
250					1.2	400	3200		1940	1145	1800	1800	545
315					1.1	480	3830		1940	1345	1800	1900	545
400					1	570	4520		1940	1345	1800	1900	545
500					1	680	5410	4.5	1940	1345	1800	1900	545
630					0.9	1200	6200		1940	1345	1800	1900	545
800					0.8	1400	7500		1940	1345	1800	1900	545
1000					0.7	1700	10300		2040	1545	1900	2000	600
1250					0.6	1950	12800		2040	1545	2000	2000	600
1600					0.6	2400	14500		2140	1545	2000	2000	600

Specifications

Name	Unit	Parameter
Rated Capacity	kVA	100~1600
Rated voltage	kV	6 6.3 6.6 10 10.5 11
Tapping range		±5% ±2x2.5%
Connection-level		Dyn11
Frequency withstand voltage	kV	6kV (grade) 25kV/1min; 10kV (grade) 35kV/1min
Impulse voltage	kV	6kV (grade) BIL, 60kV; 10kV(grade) BIL, 75kV
Backup fuse breaking capacity	kV	50
Load switch	A	300	Thermal current 12.54kA 2S(ring): 16kA 1S(terminal)
			Dynamic current 31.5kA(ring): 40kA(terminal)
Ambient temperature	°C	-20°C~+40°C
Top oil temperature	°C	<85
Noise level	dB	≤50

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