The bidirectional thyristor module | thyristor module manufacturers | | the bidirectional thyristor module

by:Positioning     2021-02-12
1. In order to conduction thyratron ( Or the bidirectional thyristor) , must be a gate current ≧ IGT, to load current to ≧ IL. Must satisfy the conditions, and follow the low temperature may encounter consideration; 2. To disconnect ( Switch) Thyratron ( Or the bidirectional thyristor) The load current must & lt; IH and maintain long enough, can make back to by the state. Under the possible high operating temperature must meet the above conditions; 3. Design a bidirectional thyristor trigger circuit, whenever possible, to avoid 3 + quadrant ( WT2- ,+) ; 4. In order to reduce noise absorption, and fell to a low gate wire length. Return line connected directly to MT1 ( Or cathode) 。 If use the hard line, with double spiral or shielded wire. Add resistance between gate and MT1 Ω 1 k or smaller. High-frequency bypass capacitors and the gate electrode series resistance. Another solution, selection of H series bta and low sensitivity; 5. If the dVD/dt or dVCOM/dt may cause problems, between MT1 and MT2 join RC buffer circuit. If high dICOM/dt may cause the problem, add a few mH series inductance and load. Another solution, the Hi - Com bidirectional thyristor module; 6. If the bidirectional thyristor module VDRM is serious, the power of the abnormal moment may be beyond, in the process of using one of the following measures: load series inductance for several mu H unsaturated inductance, to limit the dIT/dt. With MOV jumper in the power supply, and filter circuit in power supply side; 7. Choose good two-way thyristor gate trigger circuit, to avoid the working condition of 3 + quadrant, can large extent improve two-way thyristor module of dIT/dt to bear ability; 8. If the dIT/dt of bidirectional thyristor module may be beyond, the load on a few mu H series coreless induction or negative temperature coefficient thermistor. Another solution: to resistive load using zero voltage conduction; 9. Bidirectional thyristor device fixed to the radiator, to avoid the bidirectional thyristor module under stress. Fixed, and then welding wire. Don't put the rivet core shaft device interface side; 10. In order to long-term reliable operation, should guarantee the bidirectional thyristor Rth j - A low enough for Tj is not higher than Tjmax, its value corresponding to the possible high ambient temperature. Thyristor module, we use the most professional attitude, concern you the most subtle, want to think of the client, the urgent need of the client, in a very quality, fill and level up your fears. If you are interested in our SCR module or there is doubt, welcome your consultation, we wait for you!
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