High Voltage Indicator
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Overview:
The High Voltage Indicator "IVN Protection" is an essential safety system for electrical substations and high-voltage installations. It provides unambiguous visual and audible signals to warn personnel of the presence of hazardous voltage on equipment operating at 6-10 kV, 50 Hz. Its operation is independent of current flow, making it a reliable detection tool based solely on voltage presence.
Key Features & Benefits:
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Enhanced Personnel Safety: Acts as a crucial additional safety measure, warning electricians of live parts before they begin work.
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Clear Dual-Mode Alert System: Provides a steady visual signal (yellow, green, red LEDs corresponding to phases) and an audible alarm when high-voltage compartment doors are opened.
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Self-Powered Operation: Requires no external power source, drawing energy directly from the connected high-voltage line for maximum reliability.
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Unambiguous Status Indication: Allows for visual verification of switching operation results on power lines and electrical installations.
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Flexible Installation: The indicator panel can be mounted on switchgear cubicles, transformer substations, relay protection panels, and low-voltage switchboards for optimal visibility.
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Robust Design: Capacitive dividers are housed in support insulator housings, ensuring durability in high-voltage environments.
Operation Principle:
The device consists of three capacitive voltage dividers (one per phase) and a central indicator panel. When nominal voltage is present on the live parts, the indicator panel illuminates with phase-colored LEDs. An integrated audible alarm is triggered if a compartment door is opened while voltage is present, provided a door position sensor (e.g., limit switch) is installed.
Typical Applications:
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Transformer substations (TSN, KTPN)
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Switchgear cubicles (KRUN, KSO)
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Relay protection and automation (RPA) compartments
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Any 6-10 kV high-voltage equipment requiring clear voltage indication for safety
Technical Specifications:
| Parameter | Specification |
|---|---|
| Rated Voltage (50 Hz) | 6 kV / 10 kV |
| Max Continuous Operating Voltage | 10 kV |
| Max Test Voltage | 42 kV |
| Minimum Operating Voltage | 0.6 kV |
| Capacitive Divider Dimensions | 82 × 122.5 mm |
| Indicator Panel Dimensions | 114.4 × 59 × 34 mm |
| Indicator Panel Protection Rating | IP40 |
| Divider Connecting Cable Length | 300 mm |
| Panel Connecting Cable Length | 3000 mm |
| Capacitive Divider Weight | 0.7 kg |
| Indicator Panel Weight | 0.5 kg |
| Number of Capacitive Dividers | 3 |
| Number of Indicator Panels | 1 |
The IVN Protection indicator is a vital investment in operational safety, helping to prevent accidents and ensure compliance with safety protocols in high-voltage environments.
