Schneider Electric контролер Varplus Logic

• 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)

• Ползи:

• 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   

• Приложения:

• Automatic Power Factor Correction (APFC) systems
• Automatic power factor compensation with capacitors alone
• Automatic power factor compensation with capacitors and detuned reactors