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VarPlus Logic

똑똑한 역률 개선 컨트롤러

PowerLogic 의 일부

VarPlus Logic 은 역률을 유지하기 위한 자동 역률 개선 장비의 심플하고 효율적인 운영에 필요한 모든 것을 가지고 있습니다. reactive energy 를 측정하고, 모니터하고, 컨트롤 할 수 있는 심플하고 똑똑한 계전기 입니다.

VarPlus Logic
  • 기능

    VarPlus Logic offers a fast, reliable and safe power factor correction while monitoring the real time data of your system and alerting on preventive maintenance.

    Technical data
    • 90-550 V direct voltage input
    • 1A or 5A CT secondary compatible with 15 mA sensitivity
    • 4 quadrant operation – Suitable for operation with energy import and export
    • No restriction in step sequence
    • Inbuilt temperature monitor with fan control and alarm
    • Dedicated alarm contact and fan control relay
    • Automatic initialization and automatic step detection for fast and easy commissioning
    • Communication – RS485 communication in Modbus protocol
    • Digital inputs to control dual cos phi

    Measurement

    • Active, reactive & apparent power (kW, kVA, kvar)
    • Power factor, voltage and current
    • Total voltage harmonic distortion & individual harmonics up to 19th harmonic
    • Present cabinet temperature and maximum temperature since reset
    • Step data monitoring

    Alarms

    • Over/under voltage, low/high current, under/over compensation alarms
    • Faulty step alarm with step number
    • Individual step derating of capacitor indicator
    • High temperature alarm, through an internal thermal sensor
    • Total harmonic distortion alarm at 7% THDu
    • Operational hours & operational counter alarm
    • Hunting alarm

    Mechanical data

    • Flush mounting
    • Degree of protection - IP 41 (front) & IP 20 (rear)


    장점

    Maintain power factor to avoid penalty - Optimise the preventive maintenance

    • Monitoring of all the connected capacitor steps with real time power in kvar
    • Remaining step capacity as a % of the original power since installation
    • Number of switching operations of every connected step

    Hassle free commissioning of capacitor bank

    • 3 step commissioning process in stable loads
    • Automatic initialization and step detection
    • Automatic correction of connection errors while installation

    Flexibility for design of capacitor banks / Flexibility in retrofitting

    • Easy design of  capacitor bank
    • No step sequence restriction like in the traditional relays
    • Easy retrofit with any available capacitors

    Seamless integration - Easy monitoring, alarm and control

    • Integration in your existing Schneider Electric solution software or gateways, with RS485 Modbus protocol
    • Monitoring of network parameters, temperature, harmonics with 12 different alarms
    • Automatic corrections by switching off steps in case of any system abnormality                

    적용 분야

    Automatic Power Factor Correction (APFC) systems.

    • Automatic power factor compensation with capacitors alone
    • Automatic power factor compensation with capacitors and detuned reactors

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