300kVA MV&HV Transformers Fully Sealed Three-Phase 150kVA Oil-Impregnated Power

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Price： CN¥1766-2655/sets
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Frequency	50Hz, 60Hz, 50/60Hz
Phase	Three
Coil Number	Multi Winding, Two Windings, Three Windings, Single Winding
application	distribution system
Coil Structure	fully sealed construction, Shell-Type Coil, layer coil
Output Voltage	415V, 110V, 220V, 380V, 400V , 440V
Input Voltage	10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV, 10kV, 35kV
Type	Isolation Transformer, Voltage Regulator Transformer, AUTOTRANSFORMER, Field Adjustable Transformer, Oil-Immersed Transformer, Dual Winding Transformer, Oil-Immersed Transformer
Product name	Three Phase Oil Immersed Transformer
Application	Power Distribution System Power Transformer
Place of Origin	China
Brand Name	HENTG Power
Model Number	S20
Certification	CE

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Product Details
Company Details

Product Specification


Frequency	50Hz, 60Hz, 50/60Hz	Phase	Three
Coil Number	Multi Winding, Two Windings, Three Windings, Single Winding	application	distribution system
Coil Structure	fully sealed construction, Shell-Type Coil, layer coil	Output Voltage	415V, 110V, 220V, 380V, 400V , 440V
Input Voltage	10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV, 10kV, 35kV	Type	Isolation Transformer, Voltage Regulator Transformer, AUTOTRANSFORMER, Field Adjustable Transformer, Oil-Immersed Transformer, Dual Winding Transformer, Oil-Immersed Transformer
Product name	Three Phase Oil Immersed Transformer	Application	Power Distribution System Power Transformer
Place of Origin	China	Brand Name	HENTG Power
Model Number	S20	Certification	CE
High Light	mv oil immersed transformer ，mv oil immersed electrical transformer ，50hz oil immersed transformer

Main product parameters of S22 10KV double winding series
Rated capacity (KVA)	Vector Group	Voltage Combination					No-load loss	Load loss			lmpedance
Rated capacity (KVA)	Vector Group			HV	Tapping range	LV	No-load loss		Dy	Yy	lmpedance
30	Yyn0 / Dyn11	10 6.3 6	±5% ±2X2.5%	0.4	65	455	430	4.0
50										80	655	625
63										90	785	745
80										105	945	900
100										120	1140	1080
125										135	1360	1295
160										160	1665	1585
200										190	1970	1870
250										230	2300	2195
315										270	2760	2630
400										330	3250	3095
500										385	3900	3710
630									460	4460	4460	4.5
800									560	5400	5400
1000									665	7415	7415
1250									780	8640	8640
1600									940	10440	10440
2000									1085	13180	13180	5.0
2500									1280	13360	13360	5.0

Customization & Fast Delivery
Feature: Customizable voltage, tap range, enclosure color, protection grade (IP54/IP65), etc.
Factory-direct manufacturing with high efficiency and stock availability; delivery within 15–20 days for standard orders.
Meet urgent project timelines, reduce lead time, and strengthen supply chain control.

High Voltage Level Design
Rated voltage of 35KV, suitable for medium voltage distribution networks.

Ensures stable power supply for urban and industrial park applications.

Wide applicability compatible with various power systems.

WHY CHOOSE US ?

* Professional 30+ senior engineers offer 24 hours online service and response within 30 mins.

* 100,000m² factory, 250+ workers, 30+ senior engineers and 8 production lines, 20000+ sets annual production capacity.

* 100% OQC testing with 8 main detection contents.

* 15+ years power transformer designing and manufacturing experience.

* Comply with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standard

* Cross-industry power transformer solution.

* Global on-site technical support.

Application Scenarios

Company Details

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and

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from Quality China Factory

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Business Type:

Manufacturer 


Year Established:

2011 


Total Annual:

300-500MVA


Employee Number:

150~200 


Ecer Certification：

Verified Supplier 

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Reach Us
Hunan Hentg Power Electric Technology Co., Ltd.
Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
https://www.hentgpower.com/

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