China OEM Package Substation Supplier – Outdoor 200kva 315kva 400kva Upto 2.5 Mva Combination Compact Power Distribution Transformer Substation – JSM TRANSFORMER

We insist about the theory of growth of 'High excellent, Performance, Sincerity and Down-to-earth working approach' to offer you with great company of processing for 315kvatransformer, Sf6 Gas Insulated Switchgear, Energy Transformer, With advantage of industry management, the business has generally been committed to supporting prospects to become the current market leader in their respective industries.

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China OEM Package Substation Supplier – Outdoor 200kva 315kva 400kva Upto 2.5 Mva Combination Compact Power Distribution Transformer Substation – JSM TRANSFORMER Detail:

Combined transformer part

 

The transformer body is closely matched with the fuel tank and has a fixing device. The high-voltage indoor door is equipped with an electromagnetic lock and a charged display. When the high-voltage side is electrified, the high-voltage room door cannot be opened, and the outer door of the box transformer is equipped with a mechanical lock. The high-pressure porcelain bottle and load switch are installed separately for easy operation. All the high and low leads adopt soft connections. The tap leads and the no-load tap changer are cold-welded and fastened with bolts. All connections (including coils and backup fuses, plug-in fuses, load switches, etc.) are used Cold pressure welding, the fastening part is equipped with self-locking and anti-loosening measures. The transformer can withstand the vibration and bumps of long-distance power transmission. After sending it to the user’s installation site, there is no need to carry out the conventional lifting core inspection.

 

●10KV class combination change

 

The high-voltage backup current-limiting protection fuse is used in series with the plug-in overload protection fuse to provide full range protection for the transformer. The high-voltage current-limiting protection fuse is used as short-circuit protection of the transformer, and the plug-in overload protection fuse is used as the protection of the overload and small fault short-circuit current of American power transformers and other power equipment.

 

●35KV class combination change

 

A new type of high-voltage current-limiting fuse for full-range protection is used. It can reliably break any fault current between the current that causes the melt to melt and the rated breaking current. It uses a current-limiting fuse with higher The breaking capacity, rather than the current-limiting fuse, has better low-current protection characteristics. Combining the different characteristics of the two types of fuses, the combination is a whole to obtain good characteristics of full range breaking.

 

Use environmental conditions

 

●The altitude does not exceed 2000m;

 

●Ambient temperature range: -40C~ +45C;

 

●Outdoor wind speed does not exceed 30m/s;

 

●Relative humidity: the daily average value is not more than 95%, and the monthly average value is not more than 90%;

 

●Installation location: Install in a place where there is no fire, explosion hazard, serious pollution, chemical corrosion and severe vibration. ●The waveform of the power supply voltage is approximately sine wave, and the three-phase power supply voltage is approximately symmetrical;

 

※Beyond the above normal use environmental conditions, the user can negotiate with the factory to solve.

Item	Description	Unit	Data
HV	Rated frequency	Hz	50
	Rated voltage	kV	6  10  35
	Max working voltage	kV	6.9 11.5  40.5
	Power frequency withstand voltage between poles to earth/isolating distance	kV	32/36  42/48  95/118
	Lightning impulse withstand voltage betwwen poles to earth/isolating distance	kV	60/70  75/85  185/215
	Rated current	A	400  630
	Rated short-time withstand current	kA	12.5(2s)  16(2s)  20(2s)
	Rated peak withstand current	kA	32.5  40  50
LV	Rated voltage	V	380  200
	Rated current of main circuit	A	100-3200
	Rated short-time withstand current	kA	15  30  50
	Rated peak withstand current	kA	30  63  110
	Branch circuit	A	10∽800
	Number of branch circuit	/	1∽12
	Compensation capacity	kVA R	0∽360
Transformer	Rated capacity	kVA R	50∽2000
	Short-circuit impedance	%	4  6
	Scope of brance connection	/	±2*2.5%±5%
	Connection group symbol	/	Yyn0  Dyn11

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Product detail pictures:

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Related Product Guide:

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