37kv 13.8kv 21kv 8000kVA 12500kVA Oil-Immersed 3 Phase Industrial Electricity Power Transformers

• Customization: Available
• Application: Power
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001, CCC, IEC, IEEE, CNAS
• Usage: Power Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Kerun
• Rated H.V.: 35kv-363kv
• Rated M.V.: 115kv-230kv
• Rated L.V.: 3.15kv-66kv
• Rated Power: up to 300mva
• Winding Material: Copper/Aluminium
• Vector Group: Dyn11/Yyn0/Yd11/Ynd11
• Core Material: Silicon Steel
• Applied Standard: IEC, IEEE, CNAS
• Cooling Type: Onan/Onaf/Ofaf/Ofwf
• Frequency: 50Hz/60Hz
• Tapping Range: +-2*2.5%
• Transport Package: Customize
• Specification: Customize
• Trademark: KERUN
• Origin: China
• HS Code: 8504231100
• Production Capacity: 500000

Product Description

 

Oil Immersed Power Transformer

Technical Description

Rated Power: up to 300MVA
Primary Voltage: up to 242kV
Secondary Voltages: up to 69kV
Cooling Type: ONAN/ONAF
Insulation oil: mineral fluids or MIDEL ester fluids

 

35kV 630kV-A31500kVA three-phase double-winding no excitation regulating power transformer
Rated capacity (kVA)	Voltage ratio and tap range (kV) HV    No load loss(kW)    LV			Connection Symbol	No-load loss (kW)	Full-load loss (kW)	No-load current (%)	mpedance (%)
630	35	±2×2.5 ±5	3.15 6.3 10.5	Yd11	0.83	7.86	0.65	6.5
800					0.98	9.40	0.65
1000					1.15	11.5	0.65
1250					1.40	13.9	0.55
1600					1.69	16.6	0.45
2000					2.17	18.3	0.45
2500					2.56	19.6	0.45
3150	35~38.5	±2×2.5 ±5	3.15 6.3 10.5		3.04	23.0	0.45	7.0
4000					3.61	27.3	0.45
5000					4.32	31.3	0.45
6300					5.24	35.0	0.45	8.0
8000	35~38.5	±2×2.5	3.15 3.3 6.3 6.6 10.5	Ynd11	7.20	38.4	0.35
10000					8.70	45.3	0.35
12500					10.0	53.8	0.30
16000					12.1	65.8	0.30
20000					14.4	79.5	0.30
25000					17.0	94.0	0.25	10.0
31500					20.2	112	0.25

110kV Double-winding no-excitation regulating power transformer
Rated capacity (kVA)	Voltage ratio and tap range(kV)		Connection Symbol	No-load loss (kW)	Full-load loss (kW)	No-load current (%)	lmpedance (%)
	HV	LV
6300	110 115 121 ± 2×2.5%	6.3 6.6 10.5	Ynd11	7.4	35.0	0.62	10.5
8000				8.9	42.0	0.62
10000				10.5	50.0	0.58
12500				12.4	59.0	0.58
16000				15.0	73.0	0.54
20000				17.6	88.0	0.54
25000				20.8	104.0	0.50
31500				24.6	123.0	0.48
40000				29.4	148.0	0.45
50000				35.2	175.0	0.42
63000				41.6	208.0	0.38
75000		13.8 15.75   18   21		47.2	236.0	0.33	12~14
90000				54.4	272.0	0.30
120000				67.8	337.0	0.27
150000				80.1	399.0	0.24
180000				90.0	457.0	0.20

220kV Double-winding Power Transformers with Off-circuit Tap Changer
Rated capacity (kVA)	Voltage ratio and tap range          (kV)		Connection Symbol	No-load loss (kW)	Full-load loss (kW)	mpedance (%)	No-load current (%)
	HV	LV
31500	220 242±2x2.5%	6.3 6.6 10.5 11	YNd11	35	135	12~14	0.70
40000				41	157		0.70
50000				49	189		0.65
63000				58	220		0.65
75000		10.5 11 13.8		67	250		0.60
90000				77	288		0.55
120000				94	345		0.55
150000		11;13.8; 15.75;20		112	405		0.50
180000				128	459		0.46
240000				160	567		0.42
300000		15.75; 18;20		189	675		0.38
360000				217	774		0.38

Power Transformer Applications:

• 35kV transformer is generally applicable to the distributionline at present, the 110kV~550kV transformer is suitable forthe transmission line project, it can be used as a step-uptransformer or a step-down transformer, there are also manylarge power enterprises, which use high voltage transformersas aux transformers, which makes the application field of thistransformer much wider, such as various power generationprojects, railway engineering, electrical power engineering forlarge enterprises and so on.

Power Transformer Features:

• low loss   • low noise   • low temperature rise    • high resistance to short-circuit capacity     • low partial discharge,extend transformer service life

Power Transformer Advantage:

 

• KERUN combines its extensive experience and incomparable expertise in power transformers industry with it's unique Electric Utility knowledge and experience to offer high quality services to a broad range of clients.
 

• KERUN power transformer is based on ANSI, UL,IEEE, CSA, AS, as well as NEMA standards for design and production. The capacity can reach 300mva.
 

• KERUN power transformers are designed and optimized by absorbing and utilizing advanced technologies domestically and abroad, and feature low partial discharge, low loss, low noise, lightweight, and high reliability. Its excellent performance has won high praise from users and relevant experts. This product has the characteristics of stability, economy, and environmental protection, and is suitable for power plants, substations, large industrial and mineralization enterprises, etc..
 

PowerTransformer Manufacturers:

 

KERUN engineers have 40 years of experience in the transformer industry and have accumulated a wealth of experience in participating in different projects in various countries. Based on project cooperation cases, KERUN can help you analyze the types of transformers you need in project construction and provide complete power distribution and other solutions.

Q:Who are you?
A:KERUN is a company in growth. We have reached many of our goals, and established solid marketing foundation in many countries. 

Q:Are you a manufacturer or a trading company? 
A:We are a professional transformer manufacturer with more than 20 year's experience.Support OEM&ODM.

Q:Which markets do you mostly export to? 
A:We are exporting to more than 20 countries in South America, North America, Europe, Middle East, Africa and so on.

Q:What certificates and standards do you have?
A:ISO9001-2008, OHSAS 18001:2007, ISO4001:2004L certificates. A:IEC, ANSI, KEMA, GOST standard.

Q:How long is your delivery time? 
A:After determining the plan, we will complete production and shipping within 20 days. It mainly depends on the quantity.

Q:What is the standard of package? 
A:Our nomal package are divided into three types:wooden pallets, wooden frames, and wooden boxes.Also it can be customized.

Q:What currencies and payment Type do you support?
A:Payment Currency:USD,CNY.
    Payment Type:T/T,L/C.

Q:Why choose KERUN?
A:After comparing the quality, delivery and price of the same products, believe you will choose KERUN.