Patents Assigned to DOOHYUN INFRA CO., LTD
  • Capacitor quick-charge apparatus
    Patent number: 10615623
    Abstract: The capacitor quick-charge apparatus includes an input AC power source, a phase modulator, a rectifier, a shunt, a module current supply, a current control element, a capacitor, a resistance, a comparator, a variable resistor, an Operational Amplifier 1 (OP AMP 1) to an Operational Amplifier 5 (OP AMP 5), an Auto Voltage Regulator (AVR) or a Micro Control Unit (MCU), and a monitor system.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: April 7, 2020
    Assignee: DOOHYUN INFRA CO., LTD
    Inventor: Eui Suk Kang