FIRING PULSE MONITORING DEVICE

PURPOSE:To always detect accurately and simply the malfunction of a firing pulse by varying the time of a timer in a firing pulse monitoring circuit in response to variations in a firing angle or power source frequency. CONSTITUTION:Timers 4-6 in a firing pulse monitoring circuit is composed of a ti...

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Hauptverfasser: SAWAZATO MASAHIRO, WATARAI HIROICHI, AZEGAMI EISUKE, TONOZUKA TAKEHIRO
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creator SAWAZATO MASAHIRO
WATARAI HIROICHI
AZEGAMI EISUKE
TONOZUKA TAKEHIRO
description PURPOSE:To always detect accurately and simply the malfunction of a firing pulse by varying the time of a timer in a firing pulse monitoring circuit in response to variations in a firing angle or power source frequency. CONSTITUTION:Timers 4-6 in a firing pulse monitoring circuit is composed of a time constant circuit which has a resistor R and a capacitor C, and a comparator CP. A reference voltage Vr is applied to a non-inverting terminal of the comparator CP, and firing pulses U-W or X-Z and a variable voltage V from a detector 10 are applied to the inverting terminal. The detector 10 is composed of a resistor R, a condenser C and amplifiers 101, 102, and the output varies proportionally to the variations in the firing angle or power source frequencies. The outputs of timers 4-6 are processed by wired OR gates 7, 8 and a monostable element 9, and an abnormal signal of the firing pulse is outputted.
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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title FIRING PULSE MONITORING DEVICE
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