What is a trigger coil? 「Trigger Coils」的圖片搜尋結果 Trigger coil Transformers are used to provide a single, high-voltage pulse (in the order of several Kilo-Volts) to the flash tube's envelope. ... Being High-voltage Pulsed transformers, they are used many times for CDI systems, Gas stove ignition, Electrical stimulation etc. Does an ignition coil need to be grounded? Let me disagree with other answers: An Ignition Coil does not need to connect to ground. It needs to be capable of receiving electrical pulses on its input. It is , after all, a transformer and the primary winding is pulsed to make a HV spark on the Secondary winding. The flashtube discharge is initiated by means of a high voltage pulse Vz (trigger voltage) which must be high than the static breakdown voltage of the tube. Vz ranges between 2kV and 20kV. The difference between Vz and V0 must be sufficient to avoid spontaneous triggering. It is recommended that: Vz is generated by a pulse transformer (trigger coil) at a transformation ratio of 1:20 to 1:100. A thyristor (or mechanical switch) discharges a trigger capacitor Cz via the primary side of the trigger coil. On the secondary side a damped high voltage oscillation is produced, the form of which greatly depends on the trigger coil and the external circuitry.

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