SG(B)10-125~125~2500/10KV Three Phase Impregnated Dry Type Power Transformer

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SG(B)10-125~125~2500/10KV three phase impregnated dry type power transformer is a new dray type transformer and its advanced technology is imported from germany MORA company,it uses special design and manufacturing engineer in order to reach the requirment of "three proof"( moisture proof.mould proof ,salt mist proof )and environmental protection .it applies to craft of vacuum-pressure dipping,its heat-resisting class reaches Hlevel and it has strong capability of fiire is an ideal production  of distribution is applicable to power ,undegroung,shipping,chemical industry.high rise building and other places.

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Q:What is the transversal and semi-crossing problem of the transformer?
Dual split transformer compared with the general power transformer, there are four important impedance parameters: (1) through the impedance: two low-voltage winding in parallel, the high and low voltage winding short-circuit impedance, that is, high-voltage winding short circuit, two low-voltage winding in parallel after adding the current equivalent impedance. Where the reactance component is referred to as crossing the reactance. (2) half-crossing impedance: one of the two low-voltage windings open, the other low-voltage winding between the high-voltage winding short-circuit impedance, that is, high-voltage winding short circuit, a low-voltage winding open, and the other does not open the low-voltage winding power Value impedance. Where the reactance component is called a half-pass reactance.
Q:Why is the transformer coil insulation?
It is easy to understand because the transformer is used in different environments, according to different insulation level selection, can extend the life of the transformer
Q:Production of high and low voltage switchgear transformer industry belongs to what industry category
Production of high and low voltage off cabinet transformer enterprises are mechanical and electrical manufacturing industry
Q:What are the ways of protecting the transformer?
First, the gas protection: to protect the transformer internal short circuit and oil surface failure. Second, differential protection, current quick-break protection: to protect the transformer winding or lead-out phase of the phase-to-phase short circuit, large ground current system grounding short circuit and winding turn short circuit. Third, over-current protection: to protect the external phase short circuit, and as a gas protection and differential protection (or current quick-break protection) backup protection. Four, zero sequence current protection: protection of large ground current system external single-phase ground short circuit. 5, overload protection: to protect the symmetrical overload, only acting on the signal. Six, over-excitation protection: to protect the transformer over-excitation does not exceed the allowable limit.
Q:What is the primary side of the transformer
Explanation: The primary side refers to the input side of the voltage, and the secondary side refers to the output side of the voltage after the voltage is converted by the transformer. For the step-up transformer, the primary side is the low side, the secondary side is the high side; For the buck transformer, the primary side is the high side, the secondary side is the low side.
Q:Sichuan transformer manufacturer that a best?
Sichuan Meishan New Transformer Co., Ltd.'s products have the strongest load capacity, up to 200%
Q:Transformer three-phase imbalance which harm
1, when the line is not full-phase operation, the zero sequence current is equivalent to the load current, then the line with its adjacent line zero sequence current may be large, even greater than the zero sequence backup protection settings, if not quickly cut Non-full-phase operation of the line, it may lead to adjacent line malfunction, leap-off; 2, for 220kV and above generator transformer group and machine-side circuit breaker, due to non-full phase operation during a larger negative sequence current, the generator, the transformer may cause a greater damage to the equipment.
Q:Why the provisions of the maximum temperature of the provisions of the transformer 65 °?
Most big oil temperature increased load, the transformer internal fault, there is lack of oil performance security risks. So we do need to limit oil temperature and protection tripping. Small capacity (630KVA less and outdoor) often do not have the oil temperature protection. I have the original table 800KVA overload (secondary current 1500A), top oil temperature to over 90 degrees ......
Q:Transformer capacity unit KVA?
What is the difference between kv, kva and mva? The kilovolt ampere (kVA) is the power measurement standard that is 1 kilovolt ampere. KVA is equivalent to the current in a circuit generated by the voltage of that line, usually measured in the transformer, that is he is a current unit. And kilowatts refers to the power of an electrical, that is, the power of the unit. The rated capacity represents the guaranteed value of the transformer output power under rated operating conditions and is the apparent power of the transformer. That is, the maximum output power of the transformer capacity, the transformer can not be the actual output power and capacity to be confused. The units are voltammetry (VA), kVA, and MVA.
Q:Transformer ratio and transformer ratio
Transformer ratio K and transformer voltage on both sides U1 U2 winding turns N1 N2 current I1 Ⅰ2 have a relationship! In the ideal case, the ratio K = U1 / U2 = N1 / N2 = I2 / I1

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