Description
Overview of Smart Switchgear Controller
Smart Switchgear Controller, namely intelligent control device, is a new-type automatic device featuring multi-functionality, high integration and high-intelligent analog dynamic indication.
It integrates primary circuit mimic diagram, switch status, spring energy storage state, circuit breaker position and earthing switch state.
It also combines high-voltage live indication and interlock (on-site adjustable voltage for live indicator lamp lighting), electricity verification, switch cabinet contact temperature measurement, human body induction probe, voice alarm as well as control switches all in one.
Features of Intelligent Switchgear Control Unit
| Function Description |
|---|
| Switch Status Indication |
| Spring Energy Storage Status Indication |
| Circuit Breaker Position Indication |
| Earthing Switch Status Indication |
| Temperature and Humidity Control & Display |
| Digital and Analog High Voltage Live Indication |
| Voice Alarm |
| RS485 Communication |
| Color LCD Display |
| Switch Cabinet Contact Temperature Detection |
| High Voltage Test and Phase Verification (Optional) |
| Human Body Induction (Optional) |
| Alarm Function (Wire Break / Over-temperature) (Optional) |
| Remote / Local Control (Optional) |
| Opening / Closing Control (Optional) |
| Energy Storage Switch (Optional) |
| Cabinet Interior Lighting Switch (Optional) |
Operating Conditions
- Indoor installation with good ventilation.
-
Altitude: ≤1000m; special customization required for high altitude areas.
-
Ambient temperature: -25℃ ~ 85℃, relative humidity: ≤95%.
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Atmospheric pressure: 80 ~ 110kPa.
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No conductive dust, corrosive gas, mould or other substances that may damage metals and insulation in surrounding environment.
Technical Parameters
- Working Power Supply: AC/DC 85~265V
-
Total Power Consumption: ≤5W
-
Dielectric Strength: Above AC 2500V between shell and terminals
-
Insulation Resistance: Above 100MΩ between shell and terminals
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LED lighting voltage and interlock voltage for high-voltage live indication: 15% rated voltage for lighting start
-
Interlock operating voltage: Reliable interlock at 65% rated voltage
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Wireless Transmission Frequency: 433MHz
-
Default Communication Interface: RS485
Working Principle of Intelligent Electronic Device (IED)
Notes
- To avoid device damage, never plug or unplug connectors or touch chips and other components on PCB while powered on.
- Select suitable products according to actual functions, and provide required parameters specified in ordering instructions.
Instructions for Use
| No. | Function |
|---|---|
| 01 | Circuit Breaker Closed Indication |
| 02 | Circuit Breaker Open Indication |
| 03①、03② | Working Position Indication |
| 04①、04② | Test Position Indication |
| 05 | Earthing Switch Closed Indication |
| 06 | Earthing Switch Open Indication |
| 07 | Energy Storage Indication |
| 08 | LCD Display |
| 09 | Parameter Setting Key |
| 10 | High Voltage Live Indication & Interlock |
| 11 | Temperature & Humidity Control Output Indication |
| 12 | Voice Alarm |
| 13 | Cabinet Internal Lighting Control (Optional) |
| 14 | Remote / Local Control (Optional) |
| 15 | Energy Storage Switch Control (Optional) |
| 16 | Opening / Closing Control (Optional) |
FAQ
Q：What types of switchgear monitoring systems are available, and what technical parameters should be taken into consideration?
A:Common types such as Switchgear Temperature and Humidity Controller, Wireless Temperature Monitoring for Switchgear, Switchgear Mimic Display Panel and Medium Voltage Switchgear Smart Controller all belong to intelligent operation display units. Their selection shall be based on power supply standard, power consumption, environmental adaptability, insulation strength, communication mode, display indicators and optional functions.
Q：Is there any connection between intelligent control devices and relay protectors during wiring?
A:There are electrical and signal connections between intelligent control devices and relay protection devices during wiring. Their control circuits are interconnected, and wiring shall be carried out strictly in accordance with installation schematic diagrams.lay
Q：Where are Intelligent Operation Device for Switchgear installed and what is their general price range?
A:Intelligent control devices are generally panel-embedded and mounted on the panels of 3~35kV high-voltage switchgears, including mid-mounted cabinets, truck-type cabinets, fixed cabinets and ring main units. The standard cutout size is 220mm×165mm. Their prices range from about 150 yuan to over 8,000 yuan, with mainstream models priced between 300 and 5,000 yuan. More integrated functions such as wireless temperature measurement, power parameter measurement and Ethernet communication lead to higher costs.
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