500kVA 315V/400V Three Phase Isolating Transformer

• Application: Power, Electronic, Instrument, Lighting
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Multi-winding Transformer
• Certification: ISO9001, CCC
• Model NO.: BC-T00297A
• Usage: Rectifier Transformer, Combined Transformer, Power Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Silicon Steel Sheet
• Brand: Bc Power
• No Load Output Voltage: 400V +/-3%
• Load Output Voltage: 400V +/-3%
• Isolation Grade: Class H (180 C)
• Working Frequency: 50Hz
• Rated Power: 500kVA
• Noise: <70dB
• Temperature Rise: <115K
• Transport Package: Wooden Case
• Specification: 500KVA, 315V/400V
• Trademark: BC POWER or Customized
• Origin: Dongguan City, Guangdong Province, China
• Production Capacity: 3000-5000 PCS/Year

Product Description

Electric Characteristics
 
Dongguan Baocheng Power Technology Co., Ltd. is a full program of R & D, manufacturing and sales as one of the magnetic devices. It specializes in designing and customizing the "magnetic devices" of modern power electronic systems for customers, including applications from power frequency to high frequency, from low voltage to high voltage, and high frequency and high voltage. The system covers all kinds of dry / water-cooled inductors, reactors, transformers and transformer cabinets. The power range of the product covers 50VA-5000KVA, the frequency range covers 50Hz-50 KHz, the voltage level covers all kinds of high / low voltage, high / frequency products, and the K- coefficient of application in the non linear load environment. Press (patent product) etc.

Company founded in 2010. The company's headquarters is located in Jinhe community of Zhangmutou town in Dongguan. The practical area of the factory is about 10 thousand square meters. It sets up distribution outlets in East China, North China, northwest and other places. It is a high-tech enterprise in Dongguan. The company has more than 20 patents.

No.	Parameter	Test Terminal	Test Value	Test Condition	Standard Test Instrument
1	No Load Output Voltage	a-b, b-c, c-a	400V(+/-3%)	Input: A-B, B-C, C-A 315V	Transformer Comprehensive Tester
2	Rated Load Voltage	a-b, b-c, c-a	400V(+/-3%)	Input: A-B, B-C, C-A 315V
3	Rated Load Power		500KVA
4	Rated Load Current	a-b, b-c, c-a	721.7A	Input: A-B, B-C, C-A 315V
5	Overload Operation	Not overtemperature with 110% load at 45 degree C ambient temperature  for 1.5 hours
6	Coil vector connection		Dyn 11
7	Efficiency		>97.85% >98%	With 500kW resistive load With 400kW resistive load
8	Short circuit impedance		<8.5%
9	Insulation resistance	Parallel rod to iron core	>100MΩ	500V DC	500V DC tramegger
10	Dielectric strength	Primary/Secondary to GND; Secondary-Primary-Temperature relay, temperature relay-Iron core	leak current<35mA/no arcing breakdown	3000VAC/60S 3000VAC/60S	Power frequency tester
11	Temperature rise	Hottest spot in coil	<115K	Rated full load, air forced cooling	K-type thermocouple
12	Noise		<70dB	At one meter distance	Noise meter
13	Insulation grade		H
14	Surge current	a-b, b-c, c-a	<5 In	Output: a-b, b-c, c-a 400V	Transformer Comprehensive Tester
15	No load current	A B C	<3%	Input: A-B, B-C, C-A 315V
16	DC bias	A B C	50A	Input: A-B, B-C, C-A 315V
17	Withstand ripple current	Estimate according to the rated current of 315V side	5% rated current	Input: A-B, B-C, C-A 315V
18	Voltage Range	Long term operating voltage range	-85%~+125%	400V side
19	Heat dissipating method	Forced cooling			No built-in fan
20	Storage temperature	-40ºC~70ºC
21	Full load operating temperature	-40ºC~55ºC,derating use above 55ºC
22	Operating humidity	Relative 0%~95%; abosolute: < 29g /m3, no condensation
23	Application of altitude	0~4000m, rated current under 2000m, derating 1% for every 100m rise above 2000m
24	Polution prevention	Level 2
25	Salt spray resistance rating	Salt content 0.1mg/m3