YBM-12(24)/0.4 Pre-installed substation

Advantage

> Clean production environment

> Full automatic testing with various tests

> Standardized production process with trained workers

> Low failure ratio and 24-month warranty

> Strong R&D and engineering support

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YBM Pre-installed substation (also called European type substation)is connected separately by the cable or electric bar in the HV. Switch equipment, voltage transformer and LV. Electrical distributor. It has been used the normal indicated components in all of the HV & LV electrical distributors and transformers. The intellectual Preinstalledsubstation series can combine the HV switch equipment, which is RM6 or SEG switch with the automaticremote control electronic unit, transformer, LV. Electrical distributor, LV. Intellectual switch and no power automatic compensation into one unit, which has been fulfilled the site control or remote control, remote measure, remote counting. remote adjusting and any other functions. It suits for using in the public electrical distributing net, RMU, terminals such as residential quarters, enterprises, high buildings, airports and other places, which has a rated voltage up to 12kv,ratedfrequency 50Hz,three phases AC, System and capacity up to 2000kVA.

Notice to orderer

1.Model,specification,wire connecting mode of the transformer.

2.The main HV & LV wire connecting chart and the parameters of the main electronic compo-nents.

3.Whether shall the load switch equip with the electrical operating mechanism or not.

4.Inlet cable section.5.Any other specific requirement should be declared with the manufacturer.

	item	unit	argument
High pressure part	Rated frequency	Hz
	Rated voltage	KV	20	10
	Maximum operating voltage	KV	24	12
	Operating withstand voltage to ground and interphase/isolation fracture	KV	65/79	42/48
	Lightning impulse withstand voltage to ground and phase/isolation fracture	KV	125/145	75/85
Low pressure part	Rated current	A	400	630
	Rated short-time withstand current	KA	16(28)	20(2S)
	Rated peak withstand current	KA	40	50
Transformer section	Rated voltage	V	380	220
	Rated current of main loop	A	100-4000
	Rated short-time withstand current	KA	15-50
	Rated peak withstand current	KA	20-105
	Branch current	A	10-800
	Number of branch circuits	Road	1-12
	Compensating capacity	kvar	0-360
	Rated capacity	KVA	4	50-2500
	Impedance voltage	%	4.5	6(dry change)
	Tapping range		±2×2.5%	±5%
	Coupling group		Yyno	Dyn11