Top-Rated 33kv Dry-Type Transformer with Advanced Coil Structure

• 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

Immerse yourself in a new era of power transformation with our unparalleled non-encapsulated coil three-phase dry-type power transformer—a true masterpiece of contemporary engineering. This extraordinary product, enhanced by the cutting-edge UL-approved Nomex insulation system, is your guarantee of unparalleled safety, steadfast reliability, and exceptional energy efficiency. It proudly features superior fire and explosion resistance, reducing maintenance to a breeze with its groundbreaking design and exquisitely crafted structure. Notably, it surpasses domestic standards with remarkable partial discharge levels, reducing both no-load and load losses, while significantly curbing noise pollution. Its adaptability shines through, excelling even in moist environments, making it an ideal choice for challenging locations near lakes, seas, and rivers. Perfectly designed to meet stringent fire safety regulations, it gracefully handles heavy loads, integrating seamlessly into high-rise edifices, bustling airports, vibrant stations, busy wharves, subterranean subways, critical hospitals, large-scale power plants, the thriving metallurgical sector, bustling shopping centers, densely populated urban areas, and vital industries like petrochemical and nuclear power plants. With epoxy-sealed windings, our resin-insulated dry-type transformer emerges as a paragon of safety, offering flame retardance, explosion-proof capabilities, and maintenance-free operation. Its compact, pollution-less design is flexible enough to penetrate deeply into load centers, ushering in a transformative leap in power distribution.

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

Step into the vibrant universe of Zhejiang ChaoTai Complete Equipment Co., Ltd., a beacon of innovation in the realm of electrical integration, radiating with technological brilliance. Our esteemed team, enriched with over 15 years of exceptional industry experience, leads the charge in innovation and excellence, driven by a fervent passion for advancing the art of electrical solutions.
Our diverse product lineup is a tribute to our dedication to innovation, featuring premium high-voltage solid-state soft starters, cutting-edge capacitor cabinets, versatile high and low voltage switchgear, impeccable gas-insulated switchgear, and robust substations. These groundbreaking products cater to a wide spectrum of industries, encompassing the dynamic energy and chemical sectors, precision-driven metal smelting, expansive electric power grids, diverse industrial manufacturing, prestigious universities, forward-thinking research institutions, crucial medical and pharmaceutical sectors, bustling municipal commerce, essential water conservancy and hydropower projects, ever-evolving road traffic, and thriving commercial and residential communities.
Embodying a culture steeped in persistent innovation, we are the epitome of 'smart manufacturing' principles, consistently attracting top-tier technical talent to sharpen our competitive edge. Our unwavering mission is to deliver unparalleled service to our valued customers while crafting a brand that sets industry standards. From humble beginnings, we have embarked on a journey of continuous growth and excellence, transitioning from obscurity to prominence with quality as our foundation, market-driven expansion, and reputation-driven growth. Efficiency is achieved through meticulous management, and we pledge to uphold 'technology as our beacon, standardized management, exceptional quality, and customer satisfaction.' These principles fortify our market position, enabling us to serve China's electric power and grid transmission sectors with unmatched speed, strength, and ambition. Integrity is our cornerstone, quality our guiding light, service our priority, and customer satisfaction our constant pursuit. Our steadfast goal is to achieve excellence, drive continuous innovation, and establish a brand that instills trust. Your recognition is the fuel for our journey, and we express our deepest gratitude to both new and loyal customers for their unwavering support. Zhejiang ChaoTai eagerly anticipates building a brighter future together with you.

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.