1. Thyristor, bidirectional triode - type ; triac; gated switch.

2. Reverse blocking tetrode thyristor; semiconductor controlled switch.

3. Reverse conducting tetrode thyristor; semiconductor controlled rectifier.

4. Silicon diffused junction type, 5,0A reverse blocking thyristor.

5. Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.

6. Drag onto the page to add a thyristor, bi - directional triode - type, triac - gated switch.

7. Same phase inverse parallel connection's three-phase bridge thyristor rectifier assembly was researched mainly the application in the chlorine-alkali industry.

8. Microcomputer control of thyristor conduction angle in controllable reactor and the matter to be noted are introduced. Experimental results and oscillogram are given.

9. Modern thyristor valves for HVDC are of high power rating and difficult to be tested in a conventional back-to-back test circuit.

10. Thyristor is used as switching device in the non - contact power supply.

11. A scheme of bidirectional thyristor phasing trigger composed by ICs is presented, and the trigger circuit fit for AC voltage regulator of inductive load is given.

12. We researched mainly on Gate Turn-off Thyristor in qualitative analysis before.

13. Control of the thyristor firing angle dictates the moment in which the inductor is inserted in the circuit.

14. Use the thyristor as switch devices in researched and produced new type contactless power voltage supply.

15. Modern power thyristor valves have a high power rating and are difficult to be tested in a conventional back-to-back test circuit.

16. This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.

17. Simulation results show that the doping profile and width of P base region are important to the on-state voltage drop of Gate Controlled Thyristor.

18. The digital Phase-locked loop for speed regulation is made up of digital comparator, voltage-controlled oscillator, low pass filter, thyristor power amplifier and other components.

19. Start time is about 3 - 80 seconds . The temperature of thyristor and transformer has no distinct rise.

20. Electricity will pass through it if the positive pole of the thyristor is connected to a positive voltage and the trigger terminal is giver pulse.

21. A digital phase-shifted trigger circuit based on FPGA is introduced in this paper,(Sentencedict) which can be used for three-phase supply power of thyristor rectification and inventer circuit.

22. In this paper the calculation of current wave factor in three phase thyristor full controlled rectifier with emf load is discussed, with the calculated data given.

23. In this paper, the structure and mechanism of P base region of asymmetry Gate Controlled Thyristor are briefly introduced.

24. The core to design a synthetic test circuit is to correctly reproduce the stresses applied on the thyristor valves.

25. But its power rating is the same as in the thyristor.

26. Then, adopting reactive current margin and harmonics as control and protection variable, an expert system was formed to control thyristor switched capacitor.

27. The analysis and research on the functions of hardware circuit for open-phase protection, capacitance protection and thyristor protection in the combination switch are introduced.

28. A method of identifying the end of soft starting process based on the voltage across the non-conducting thyristor is introduced.

29. A voltage type high power invert circuit which is composed of chopper and thyristor full bridge invertor is proposed.

30. The auxiliary switch operates with zero - current - switching ( ZCS ), which can use low - cost thyristor.

31. The double-bucket hoist system used in the main shaft at Fank ou Mine is a thyristor DC driving system made by Symons Company. The location control loop used is a digital control technology.

32. This paper presents the monitoring and self diagnosis technique with single chip microprocessors for the real time faults of thyristor devices.

33. Gate Turn-Off Thyristor is a kind of power electronic element. It can control both on and off.

34. Its main return circuit adopts thyristor contactless switch, so can turn off circuit quickly, precisely and reliably.

35. This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.

36. This paper first presents and proves a theorem revealing the qualitative relationship between the initial conduction angle and the step change in thyristor firing angle.

37. The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.

38. The enduring voltage structure and features of Gate Commutated Thyristor(GCT) were analyzed briefly.

39. Has confirmed this method validity through twelve pulse controlled rectifier thyristor circuit fault diagnosis simulation result.

40. Optically triggered MOS gated solid state relay is a new switching device, which is composed of an MOS gated thyristor, a phototransistor, an enhanced mode MOSFET and a Zener diode.

41. The zero voltage trigger for thyristor can be realized with simple transistor circuit.

42. The phase debugging method of the thyristor rectification circuit is introduced.

43. This scheme uses optical cable to transmit signals and isolate high voltage, Schmitt trigger to dispose of signals, and microprocessor to identify the status of thyristor.

44. The author bas joined in and auc- cessfully accomplished a PFM DC regulated power supply using high frequency fast switching thyristor, which has been adopted in practical application.

45. DY Model caterpillar type shaped plastic material drawer adopts double caterpillar drawing method, thyristor stepless governor.

46. The transient process of graded series capacitor during grade change controlled by thyristor is studied.

47. The thyristor can be trigged into the on-state by applying a pulse of positive gate current for a short duration provided that the device is in its forward blocking state.

48. The term "thyristor" came from its gas tube equivalent, thyratron.

49. First,(http:///thyristor.html) the factors that influence the blocking voltage BVAK of power static induction thyristor (power SITH) are discussed and some new anode structures are proposed to improve it.

50. The induction heating appliance of thyristor have been widely used in industry because of its high efficiency , easy control and no pollution .

51. Japan Sansha Electric Co. , Ltd. : SCR, three-phase rectifier bridge, Single-phase rectifier bridge, diode modules, single-, two-phase thyristor.

52. In order to turn off thyristor unfailingly, the inverter circuIt'should be rebuilt.

53. The graded series capacitor in TCSC(Thyristor Controlled Series Compensation) lowers the adjustable inductance capacity and the cost.

54. With the development of power electronics, welding machine has experienced four stages: AC, silicon diode rectifier, thyristor rectifier and IGBT inverter.

55. On the basis of synthetical test, the paper analysed the torsional vibration of the main drive system of 1150 blooming mill, which used thyristor power supply.

56. The main control system includes the synchronous signal generating circuit, the testing circuit of thyristor cut-off voltage and the trigger circuit of the thyristors etc.

57. Methods of controlling inductive load noise, and measures of resisting interference causd by the widely used thyristor ...

58. The inner part of the utility model is composed of a submodule control circuit, a bidirectional thyristor, a relay and other parts which are formed by making use of hybrid technique.

59. The main products include IGBT Module, IPM Module, MOSFET Module, Thyristor Module and Diode Module.

60. If the line voltage is less than 80% of the nominal voltage, the thyristor unit is.

61. Thyristor , reverse - blocking tetrode - type ; semiconductor controlled switch. Envelope can be shown or hidden.

62. The simulation program in this paper has been applied to make digital simulation of several thyristor circuits, a DC-motor system driven by a three-phase full-wave rectifier circuit and an induction-...

63. This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.

64. The paper describes a silent voltage source PWM frequency converter. Its main circuit uses novel full controlled devices bipolar static induction transistor(BSIT) and static induction thyristor(SITH).