Heating electric furnace transformer, high current transformer, nitrate furnace dry transformer, rapid quenching transformer Vacuum furnace transformer, silicon molybdenum rod heating transformer, high current transformer, water-cooled transformer water cooling transformer
The DDG series single-phase low-voltage high current transformers produced by our company are mainly used for current transformers, circuit breakers, contactors, thermal relays, switch lights, etc., as power sources for temperature rise characteristic tests, continuous load tests, and current parameter measurement tests. It has the characteristics of wide applicability to loads, ability to withstand instantaneous overload, long-term continuous operation, fire and moisture resistance, safety and reliability, energy saving, and easy maintenance. The input and output voltage, connection method, tap position adjustment, capacity allocation, secondary winding configuration, and outer box (selected according to different usage environments) of the product can all be carefully designed and manufactured according to user requirements.
Feature:
1. Environmental protection:
High quality H grade insulation material is used the product, there is no emission of hazardous gases under
high temperature.
Owing to the opening winding, it is convenient to take copper back for recycling after the service life.
2. Reliable insulation system:
NOMEX paper and ET-90 series H grade resin is chosen as basic insulation system, optimized design makes
insulation system 180 degrees centigrade - 220 degrees centigrade, which is safe, steady and reliable under
high temperature.
3. Advanced processing technology:
Adopting VPI technology and curing process under the high temperature, the lacquer film is bright and even, no
cracking, the partial discharge is less than 5PC, with low noise.
4. Overload capacity:
H grade Nomex paper is used for insulation of winding in opening structure. Its dissipation of heat is faster and
temperature rise is even, which shows higher overload capability.
5. Stronger withstanding short-circuit capability:
VPI process is carried out for H. V. &L. V. Coils and pre-pressing device such as disc spring and silicon rubber
is put on the end of coils to strengthen the mechanical strength for both coils and product, which improves its
withstanding short-circuit capability.
6. Weatherproof:
The whole product is coated with H grade insulation lacquer twice. Lacquer film has the good adhesion,
mechanical strength and insulation performance without cracking. Therefore, it is weatherproof such as
moisture, fog and dust, particularly in serious pollution.
Technical parameters:
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