- 06
- Apr
U ka khetha inverter thyristor joang bakeng sa sebōpi se qhibilihang sa induction?
How to choose inverter thyristor for sebōpi se qhibilihang ka induction?
1) Khetha ho latela mefuta ea maqhubu a ts’ebetso ea sebōpi sa ho qhibiliha sa induction;
The frequency is 100HZ—500HZ and the selected turn-off time is 20µs-45µs KK type thyristor.
The frequency is 500HZ—1000HZ and the selected turn-off time is 18μs-25μs KK type thyristor.
The frequency is 1000HZ—2500HZ and the selected turn-off time is 12μs-18μs KK type thyristor.
KKG-type thyristor with a frequency of 2500HZ—4000HZ and a selected turn-off time of 10µs-14µs.
The frequency is 4000HZ—8000HZ, and the selected turn-off time is 6μs—9μs KA type SCR.
2) Khetha ho ea ka matla a tlhahiso ea sebōpi sa ho qhibiliha sa induction;
According to the theoretical calculation of the parallel bridge inverter circuit, the current flowing through each thyristor is 0.455 times the total current. Considering that enough space is left, a thyristor with the same size as the rated current is usually selected.
Thyristor ea hajoale e khethiloeng ea 300A/1400V e nang le matla lipakeng tsa 50KW le 100KW. (380V phase-in voltage)
Thyristor ea hajoale e khethiloeng ea 500A/1400V e nang le matla a 100KW-250KW. (380V phase-in voltage)
Thyristor ea hajoale e 800A/1600V e nang le matla a ho tloha ho 350KW ho isa ho 400KW. (380V phase-in voltage)
Thyristor ea hajoale e khethiloeng ea 1500A/1600V e nang le matla lipakeng tsa 500KW le 750KW. (380V phase-in voltage)
Thyristor ea hajoale e khethiloeng ea 1500A/2500V e nang le matla lipakeng tsa 800KW le 1000KW. (660V phase-in voltage)
Thyristor ea hajoale e khethiloeng ea 2000A/2500V e nang le matla a 1200KW-1600KW. (660V phase-in voltage)
Thyristor ea hajoale e khethiloeng ea 2500A/3000V e nang le matla lipakeng tsa 1800KW le 2500KW. (1250V phase-in voltage)