35kv Double-Winding Distribution Transformers with off-Circuit Tap Changer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Three
• Model NO.: 35KV
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001, CCC
• Usage: Power Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Rated Capacity(kVA): 31500-240000
• Hv: 220kVA
• LV: 63kv 66kv69kv
• Connection Symbol: Ynd11
• Transport Package: According to Client′ S
• Specification: As manufacturer′ s design
• Trademark: HZEC
• Origin: China
• HS Code: 8504232100
• Production Capacity: 25/ Quarter

Product Description

Product Description

35kV series transformers are with the following character- istics:low loss,low noise,protection against thunder and lightning,high short-circuit withstand capacity and beautiful appearance etc.It is made byadvanced assembling lines and method,with qualified and refined accessories.It enjoys four remote functions:"remote communication, remote test,remote adjustment and remote control".By remote control from a computer,the power station could be free from supervision in the office.35kV series energy- saving transformers have passed the ldentification Test by State Bureau of Machinery Industry,and State Power Corporation.35kV series transformers are mainly used in urban and rural power grids and other industrial,mining enterprises,power transmission and distribution industry
 and also agriculture projects.

 

Main Features

Low Noise: Reduces noise pollution to the environment.

Low Partial Discharge: Ensures stable and reliable transformer operation.
Low Temperature Rise: Provides strong overload capacity.
Low Loss: Optimizes energy structure.
Leakage-Free: Ensures high sealing performance of the transformer.
Maintenance-Free: Reduces customer maintenance costs.
High Impedance: Offers high short-circuit resistance, providing transformer safety.
Smart Components: Incorporates intelligent substation design technolog .

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable transformer manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations and high and low voltage complete sets of equipment.The equipment put into production and operation of the project advocates energy saving, intelligence, information and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center,with 71 utility model patents and 15 invention patents.With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC Products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa and other regions, covering more than 40 countries.

 

Product Details

Their main features include:

1. Low noise, reducing noise pollution to the environment;
2. Low partial discharge, ensuring stable and reliable operation of the transformer;
3. Low temperature rise, with strong overloading capacity;
4. Low loss, optimizing the energy structure;
5. No leakage, with high sealing performance of the transformer;
6. Maintenance-free, reducing the customer's maintenance costs;
7. High impedance, with high short-circuit resistance, enhancing the safety performance of the transformer;
8. Utilization of intelligent components, incorporating intelligent power station design technology.

Product Parameters

50-1600/35 SeriesThree-phase Double-winding Distribution Transformers with Off-circuit Tap Changer.
 

Rated capacity (kVA)	Voltage ratio (kV)		Connection Symbo	ossva ues for S9 serialtranstomer		loss va ues for S10 seria transiormer		loss values for S1 serialtransomer		No-load current (%)	mpedance (%)	Weight			OutlineDimension			Gauge mm
	HV	LV		No-load 0ss	Full-oad 0ss	No-load 0ss	Full-oad 0ss	No-load 0ss	Full-oad 0ss			Oil  Weight	Untanking weight	Total weight	L	W	H
50	35 38.5 ±5% or ±2× 2.5%	0.4	Yyn0 Dyn11	0.21	1.21	0.19	1.15	0.17	1.15	2	6.5	275		740	1100	1000	1700	660
100				0.29	2.02	0.26	1.92	0.23	1.92	1.8		350		995	1100	1150	1750	660
125				0.34	2.38	0.31	2.26	0.27	2.26	1.7		430		1250	1100	1150	1800	660
160				0.36	2.83	0.32	2.69	0.29	2.69	1.6		450		1405	1160	1150	1860	660
200				0.43	3.33	0.39	3.16	0.34	3.16	1.5		495		1460	1230	1300	1950	660
250				0.51	3.96	0.46	3.76	0.41	3.76	1.4		520		1625	1250	1300	2000	660
315				0.61	4.77	0.55	4.53	0.49	4.53	1.4		590		1915	1400	1320	2070	820
400				0.73	5.76	0.66	5.47	0.58	5.47	1.3		680		2175	1510	1350	2150	820
500				0.86	6.93	0.77	6.58	0.69	6.58	1.2		760		2485	1620	1370	2240	820
630				1.04	8.28	0.94	7.87	0.83	7.87	1.1		830		2950	1750	1390	2330	820
800				1.23	9.9	1.11	9.41	0.98	9.41	1		880		3370	1900	1420	2400	820
1000				1.44	12.15	1.3	11.54	1.15	11.54	1		1005		4140	2165	1450	2485	820
1250				1.76	14.67	1.58	13.94	1.41	13.94	0.9		1160		4700	2230	1500	2600	1070
1600				2.12	17.55	1.91	16.67	1.7	16.67	0.8		1250		5570	2250	1650	2650	1070

630-2500/35 Series Three-phase Double-winding Distribution Transformers with Off-circuit Tap Changer

Rated capacty (kVA)	Voltage ratio (kV)		Connection Symbo	loss values for S9  serial transfomer		loss values for S10  serial transfomer		loss values for S11  serial transfomer		No-load Current (%)	mpedance (%)	Weight			Outline Dimension			Gauge mm
	HV	LV		No-load l0ss	Full-load   loss	No-load l0ss	Full-load   loss	No-load l0ss	Full-load   loss			Oil weight	Untanking weight	Total Weigh	L	W	H
630	35			1.04	8.28	0.94	7.87	0.83	7.87	1.1		0.65		2.9	2100	1300	2300	820
800	38.5	6.3		1.23	9.9	1.11	9.4	0.98	9.4	1		0.7		3.2	2200	1350	2350	820
1000	±5%	6.6	Yd11	1.44	12.15	1.3	11.54	1.15	11.54	1		0.85		3.5	2350	1450	2400	820
1250	or	10		1.76	14.67	1.58	13.94	1.41	13.94	0.9	6.5	1.01		3.84	2500	1600	2450	1070
1600	±2×	10.5		2.12	17.55	1.91	16.67	1.7	16.67	0.8		1.2		5	2600	1700	2500	1070
2000	2.5%	11		2.72	19.35	2.45	18.38	2.18	18.38	0.7		1.28		6	2730	1800	2600	1070
2500				3.2	20.7	2.88	19.67	2.56	19.67	0.6		1.4		7	2870	1900	2700	1070

35kVDouble-winding Distribution Transformers with Off-circuit Tap Changer

Rated capacity (kVA)	HV	Voltage ratio (kV) HVTapping Range	LV	Connection Symbol	No-load loss (kW)	No-load current (%)	Full-load loss (kW)	Impedance (%)
3150	35 38.5	±2×2.5%	3.15 3.3 6.3 6.6 10.5 11	Yd11	3.80	0.56	24.30	7.0
4000					4.52	0.56	28.80
5000					5.40	0.48	33.03
6300					6.56	0.48	36.90	7.5
8000				YNd11	9.00	0.42	40.50
10000					10.88	0.42	47.70
12500					12.60	0.40	56.70	8.0
16000					15.20	0.40	69.30
20000					18.00	0.40	83.70
25000					21.28	0.32	99.00
31500					25.28	0.32	118.80

35kV Double-winding Power Transformers with On-load Tap-changer

Rated capacity (kVA)	Voltage ratio (kV)			Connection Symbol	No-load loss (kW)	No-load current (%)	Full-load loss (kW)	Impedance (%)
	HV	HVTapping Range	LV
3150	35 38.5	±3×2.5%	6.3 6.6 10.5 11	Yd11	4.04	0.72	26.01	7.0
4000					4.84	0.72	30.69
5000					5.80	0.68	36.00
6300					7.04	0.68	38.70	7.5
8000				YNd11	9.84	0.60	42.75
10000					11.60	0.60	50.58
12500					13.68	0.56	59.85	8.0
16000					16.46	0.54	74.02
20000					19.46	0.54	87.14

 

Product Display

Service environment
1.Device types: outdoor type

2.Type of Voltage Regulation: Off-circuit or On-Ioad
3.Tapping Range: ±5 % ±2x2.5 % ±4x2.5 %
4.Frequency: 50Hz or 60Hz
5.Phases: Three or single
6.Connection Symbol: Dyn11,Yyn0 ( or as requested)
7.Short- circuit Impedance: Standard Impedance
8.Altiude is not exceeding 1000m,ambient temperature not exceeding 40OC. If it can't meet such conditions,we will modulate parameters in accordance with standard.

Fields of application

 

Customer Case

After-sales service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.

2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.

3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
 

Packaging & Shipping