35KV power transformer_Huichu Energy Technology (Dongguan) Co., Ltd.

Product Overview

This series of products boasts advanced design, with significant improvements and enhancements in materials, structure, and craftsmanship. The high and low voltage clamping components are secured using steel tension belts or top and side beams, forming a sturdy frame structure that enhances the clamping force of the iron core and its resistance to transportation impacts. With strong short-circuit resistance, elegant appearance, reliable operation, low loss, and minimal noise, these products reach the advanced level of similar foreign products.

execution standard

GB 1094.1~2 "General Rules for Power Transformers" and "Temperature Rise of Oil-immersed Transformers"

GB 1094.3 "Insulation Level, Insulation Test, and External Insulation Air Gap"

GB 1094.5 "Capability of Power Transformers to Withstand Short Circuit"

GB/T 6451 "Technical Parameters and Requirements for Oil-immersed Power Transformers"

GB/T 15164 "Loading Guide for Oil-immersed Power Transformers"

GB2536 "Transformer Oil"

Model meaning

1. Reasonable structure: Utilizing modern computing technology to analyze the electrical, magnetic, mechanical, and thermal characteristics of transformers, and based on this, carrying out drawing design to make the product structure more reasonable and perfect.

2. Advanced performance: In addition to meeting relevant national standards, the product's performance is specially designed according to user requirements, with a partial discharge level significantly lower than the values specified in national standards.

3. Safe and reliable: Based on the analysis of electrical, magnetic, mechanical, and thermal properties of transformers, the design of winding insulation structure, ampere-turn distribution, and cooling system has been optimized, enhancing the transformer's ability to withstand overvoltage and short-circuit current impacts, without local overheating.

4. Preferred components: Based on user requirements, we select either domestically produced or imported high-quality components, further enhancing the operational reliability of the product.

5. User-friendly: Elegant appearance, no leakage, no need for core lifting, no maintenance required, and excellent after-sales service.

Model specifications

35kV oil-immersed double-winding off-circuit tap-changer power transformer

Technical Specifications:

Capacity kVA	Rated Voltage (kV)			Connection group label	Loss (kW)		Short-circuit impedance %	No-load current %	Weight (kg)			Dimensions (mm) Long× wide× high	Axle center distance （mm）
Capacity kVA	High pressure	High-voltage tap tap	Low pressure	Connection group label	Empty load	Load	Short-circuit impedance %	No-load current %	Oil is heavy	The vessel itself is heavy	Total weight	Dimensions (mm) Long× wide× high	Axle center distance （mm）
630	35	±5 ±2×2.5%	3.15 6.3 10.5	Yd11	0.83	7.86	6.5	0.65	925	1580	3275	1975×1330×2420	820×820
800					0.98	9.40		0.65	1115	1870	4085	2275×1380×2430	820×820
1000					1.15	11.5		0.65	1165	2000	4245	2450×1670×2470	820×820
1250					1.40	13.9		0.55	1420	2480	5200	2565×1770×2615	820×820
1600					1.69	16.6		0.45	1540	2690	5980	2830×1780×2685	820×820
2000					2.17	18.3		0.45	1610	3460	7050	2850×1810×2755	1070×1070
2500					2.56	19.6		0.45	1640	3670	7085	2870×1790×2820	1070×1070
3150	35~38.5				3.04	23.0	7.0	0.45	2040	4745	8740	2890×2165×2960	1070×1070
4000					3.61	27.3		0.45	2050	4980	9500	2925×2665×3100	1070×1070
5000					4.32	31.3		0.45	2295	6030	10785	3100×2765×3155	1070×1070
6300					5.24	35.0	8	0.45	2830	7380	13130	3290×2770×3310	1475×1475
8000		±2×2.5%	3.15 3.3 6.3 6.6 10.5	YNd11	7.20	38.4		0.35	2890	9270	14680	3330×2800×3710	1475×1475
10000					8.70	45.3		0.35	3625	10935	18450	3650×2830×3830	1475×1475
12500					10.0	53.8		0.30	3950	13105	20560	3865×2845×3950	1475×1475
16000					12.1	65.8		0.30	6365	18590	29975	4560×2860×4720	1475×1475
20000					14.4	79.5		0.30	6540	20035	31505	4480×3225×4865	2000×1435
25000					17.0	94.0	10	0.25	6970	22310	35370	4610×3490×4910	2000×1435
31500					20.2	112	10	0.25	7380	25210	39800	4760×3750×5100	2000×1435

Note:

1. Transformers with various special parameters and performances can be manufactured according to user requirements.

2. The dimensions and weight may vary according to user and market requirements, so the data in these two tables is subject to the factory documents.

35kVOil-immersed double-winding on-load voltage-regulating power transformer
Technical Specifications:

Capacity kVA	Rated Voltage (kV)			Connection group label	Loss (kW)		Short-circuit impedance %	No-load current %	Weight (kg)			Dimensions (mm) Long× wide× high	Axle center distance （mm）
Capacity kVA	High pressure	High-voltage tap tap	Low pressure	Connection group label	Empty load	Load	Short-circuit impedance %	No-load current %	Oil is heavy	The vessel itself is heavy	Total weight	Dimensions (mm) Long× wide× high	Axle center distance （mm）
2000	35	±3×2.5%	6.3 10 10.5	Yd11	2.30	19.2	6.5	0.50	1825	3000	6640	3105×2195×2805	1070×1070
2500	35				2.72	20.6	6.5	0.50	2060	3525	7665	3500×2535×2980	1070×1070
3150	38.5				3.23	24.4	7.0	0.50	2205	3995	8565	3510×2725×2840	1070×1070
4000					3.87	29.1		0.50	2560	4825	10115	3530×2915×3070	1070×1070
5000					4.64	34.2		0.50	2635	5700	11305	3680×2980×3145	1070×1070
6300					5.63	36.7		0.50	3240	7120	13510	3650×3005×3210	1475×1475
8000					7.87	40.6	8.0	0.40	3840	8875	16690	4070×3050×3495

PRODUCT

35KV power transformer

Product Details