33kv to 400V 11kv Epoxy Transformer for Effective Energy Distribution

• Customization: Available
• Application: Electronic, Instrument, Lighting
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001
• Usage: Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Chaotai
• Input Voltage: 10kv
• Coil Number: Three
• Coil Structure: Layer Coil
• Standard: IEC Standard
• Frequency: 50/60Hz
• Rated Capacity: 630kVA
• Winding Material: Copper
• Vector Group: Dyn11/Yyn0/Yzn11
• Output Voltage: 380V,400V
• Transport Package: Wooden Case
• Specification: fixed type
• Trademark: chaotai
• Origin: Zhejiang, China
• HS Code: 850422000
• Production Capacity: 2000/ Month

Product Description

Product Description

Introducing our state-of-the-art, non-encapsulated coil, three-phase dry-type power transformer, featuring the esteemed Nomex insulation system, proudly UL-approved. This masterpiece of engineering boasts unparalleled safety and reliability, paving the way for energy-efficient solutions with impeccable fire prevention and explosion-proof capabilities. Designed for effortless maintenance, its advanced design, thoughtful structure, and captivating appearance set it apart. Surpassing domestic benchmarks, it excels in critical performance metrics—offering low partial discharge levels, minimal no-load and load losses, and remarkably reduced noise. Its adaptability to high humidity conditions allows for versatile installation in challenging settings, such as pollution-prone and humid environments near lakes, seas, and rivers. Perfect for areas demanding high fire protection and substantial load capacities, this transformer is indispensable for high-rise buildings, airports, stations, wharves, subways, hospitals, power plants, metallurgical industries, bustling shopping centers, densely populated locales, and specialized fields like petrochemical and nuclear power plants. The dry-type distributing transformer boasts epoxy-sealed windings, ensuring it remains flame-retardant, explosion-proof, maintenance-free, and unpolluted. Compact and efficient, it seamlessly integrates into load centers for optimal performance.

Product Parameters

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap				F class	H class
		range				(120ºC)	(120ºC)
50			0.4	Yyn0 Dyn11	450	1420	1520	2.3	6
100	35 36 37 38.5	±2×2.5% or  ± 5%			630	2090	2230	2
160					790	2810	3000	1.5
200					880	3320	3550	1.5
250					990	3800	4060	1.3
315					1170	4510	4820	1.3
400					1370	5410	5790	1.1
500					1620	6650	7110	1.1
630					1860	7690	8230	1
800					2160	9120	9760	1
1000					2430	10400	11100	0.75
1250					2830	12700	13600	0.75
1600					3240	15400	16500	0.75
2000					3820	18200	19500	0.75
2500					4450	21800	2330	0.75

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap				F class	H class
		range				(120ºC)	(120ºC)
50			0.4	Yyn0 Dyn11	450	1420	1520	2.3	6
100	35 36 37 38.5	±2×2.5% or  ± 5%			630	2090	2230	2
160					790	2810	3000	1.5
200					880	3320	3550	1.5
250					990	3800	4060	1.3
315					1170	4510	4820	1.3
400					1370	5410	5790	1.1
500					1620	6650	7110	1.1
630					1860	7690	8230	1
800					2160	9120	9760	1
1000					2430	10400	11100	0.75
1250					2830	12700	13600	0.75
1600					3240	15400	16500	0.75
2000					3820	18200	19500	0.75
2500					4450	21800	2330	0.75

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap range				F class	H class
						(120ºC)	(120ºC)
2000	35 36 37 38.5	±4×2.5%	3.15 6 6.3 10 10.5 11	Yd11 Dyn11	4500	19000	20300	0.75	7
2500					5220	22600	24200	0.75
3150					6300	25400	27200	0.7	8
4000					7380	30400	32600	0.7
5000					8730	36100	38600	0.6
6300					10300	41800	44700	0.6
8000					11800	47500	50800	0.5	9
10000					13500	57100	61200	0.5
12500					16400	66500	71100	0.4
16000					20200	78200	83700	0.4
20000					23800	88000	94200	0.35	10
25000					28100	104000	111000	0.35

Main product

Company Profile

Zhejiang ChaoTai Complete Equipment Co., Ltd. emerges as a beacon of innovation in the realm of electrical integration, recognized as a high-tech enterprise. Our illustrious team, fortified by over 15 years of industry expertise, excels in R&D, production, and service, delivering cutting-edge solutions crafted with precision and excellence.
Our distinguished product lineup encompasses high-voltage solid-state soft starters, capacitor cabinets, and both high and low voltage switchgear, alongside advanced gas-insulated switchgear and substations. These products have become quintessential across myriad industries—including the energy and chemical sectors, metal smelting, and electric power grids, as well as industrial manufacturing, esteemed universities and research institutions, medical and pharmaceutical fields, municipal commerce, water conservancy and hydropower, road traffic networks, and thriving commercial and residential areas—standing as pillars of progress and innovation.
Embracing the ethos of technological advancement and 'smart manufacturing,' we commit to nurturing high-caliber technical talents, fortifying our core competitiveness, and offering unrivaled services to our clientele. Our journey from inception has been a testament to our relentless pursuit of excellence, transitioning from nascent stages to a paragon of innovation. Adhering to a modern business ethos—survival through quality, market-oriented growth, reputation-driven development, and management-driven efficiency—we advance with a steadfast commitment to technology leadership, standardized management, superior quality, and customer satisfaction. Our dedication to serving China's power transmission and distribution sectors fuels our ambition to achieve superior goals. With integrity as our bedrock, quality as our beacon, and service as our creed, we cherish customer satisfaction as our ultimate pursuit. The tireless quest for excellence and enduring innovation defines our journey, as we endeavor to build a brand synonymous with trust. Your recognition propels us forward, and we extend our heartfelt gratitude to new and loyal patrons for their unwavering support. Together with Senhang Technology, we aspire to forge a future replete with promise and progress.

Our Advantages

Certifications

After Sales Service

FAQ

Q1. Are you a factory or trading company?
A.We are a factory.

Q2. Where is your factory located? How can I visit there?
A. Our factory is located in Wenzhou City, Zhejiang Province, China. You can fly to Longwan airport directly. All our clients,from home or abroad, are warmly welcome to visit us!

Q3. What's the payment term?
A. We accept TT. 30% deposit and 70% before shipment, Western Union, L/C At Sight is ok! We'll l show you the photos of the products and packages before you pay the balance.

Q4. Tell me the standard of package? What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons, If vou have leaallyl registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. Would you accept to use our logo?
A. If you have good quantity,it absolute no problem to do OEM.

Q6. How about the transport?
A. If the number of aoods is small we usually use TNT.DHL.FEDEX.EMS and some express voull offered. If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.

Q7. What is your Production lead time /delivery time?
A: Generally, it will take 25 to 30 days after receivina vour advance payment.
The specificl delivery time depends on the items and the quantity of your order. Silicone rubber's reqular product is 1,000/ week, Porcelain's need 2-3 weeks about 1000 pcs.

Q8. How do you make our business long-term and good relationship?
A:l. We keep aood auality and competitive price to ensure our customers benefit:
A: 2. We respect every customer as our friend and we sincerely do business and make friendsl with them, no matter where they come from.
A: 3.Most goods we have the type report according the IEC STANDARD

Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.

Q10. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q11. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q12.What certificates do you have?
A:ISO9001,OHSAS18001,ISO14001 certificate and Type test report of product.