FIELDS OF APPLICATION
- oil and gas industry
- coal and metallurgical industry
- power distribution networks of energy complexes
- industrial enterprises
- auxiliary power supply systems of power plants, including nuclear power plants
Advantages
SAFETY
- Compliance with two current Russian standards GOST R 55190 (based on IEC 62271-200) and GOST 14693
- Electrical and mechanical position indicators of all devices (truck, circuit breaker, earthing switch)
- Internal arc classification IAC AFLR 50 kA 1 sec. (max.) with absorber / deflector
- Provides personnel protection from four sides in the event of internal arc faults
- Well-designed system of mechanical and electromagnetic interlocks preventing incorrect operations
- Remote control of the truck and the earthing switch with CCTV (optional)
HIGH RELIABILITY
- Full scope of type (periodic) tests has been performed in Russian accredited laboratories
- Additional tests beyond the mandatory test program have also been successfully passed
- Including seismic withstand, fast automatic transfer switch (Fast ATS), wireless temperature monitoring
- Making capacity endurance of the earthing switch up to 40 kA - class E1 (two making operations)
- All major components (circuit breaker, current and voltage transformers, earthing switch) are produced by Electroshield Samara
- Wireless temperature monitoring is optionally available for online temperature monitoring of contacts and contact connections
EASY TO USE
- Safe discharge of combustion product directly into the existing room without the need of the tunnel for internal arcing gases
- Unified user interface
- One-sided / double-sided maintenance
- No support insulators in the busbar compartment
- Simple access to documentation via digital passport
DIGITAL OPTIONS
CONTACT CONNECTION TEMPERATURE MONITORING SYSTEM
- Overheating alarm
- Data collection from the entire switchgear
- Support for MODBUS-TCP, IEC-60870, IEC-61850
WIRELESS TEMPERATURE SENSORS
- Wireless data transmission
- Continuous temperature monitoring
- No additional power supply required
MOTOR DRIVE OF THE TRUCK AND EARTHING SWITCH
- Remote control
- Safe operation
DIGITAL TWIN OF MV SWITCHGEAR SESH-80
- Condition-based maintenance (CBM)
- Actual technical state evaluation of the switchgear cubicle
DIGITAL PASSPORT
- Online access to the documentation via QR-code
- Prevents loss of technical documentation
CCTV
- Maximum personnel safety
- Switchgear cubicle condition monitoring
- Remote operational maintenance
Technical Characteristics
| Characteristic | MV switchgear SESH-80-10H (with roll-on-floor VCB) | MV switchgear SESH-80-10C |
|---|---|---|
| Rated voltage, kV | up to 12 | up to 12 |
| Rated current of main circuits, A | 630; 800; 1000; 1250; 1600; 2000; 3150; 4000 | 630; 800; 1000; 1250; 1600; 2000 |
| Rated short-circuit breaking current, kA | 20; 25; 31,5; 40; 50 | 20; 31,5 |
| Overall dimensions (W×H×D, mm) | 600 (750, 1000) × 2715 × 1650 | 600 (750, 1000) × 2800 × 1400 |
List of components
| Component | Type |
|---|---|
| Vacuum circuit breakers |
VVU-SESH (spring mechanism); VVM-SESH-10 (magnet latch) |
| Current transformers for MV switchgear SESH-80-10H | TOL-SESH-10; TSHL-SESH |
| Current transformers for MV switchgear SESH-80-10C | TPL-SESH |
| Voltage transformers for MV switchgear SESH-80-10H | NOL-SESH; ZNOL-SESH-10; 3хZNOL-SESH; NALI-SESH-10 |
| Voltage transformers for MV switchgear SESH-80-10C | ZNOL-SESH; NALI-SESH |
| Zero-sequence current transformers | TZLK(R)-SESH |
| Auxiliary transformers | TLS-SESH |
| Microprocessor-based protection relays | KIT-R-A (by LLC «NPP KIT») |
| Arc fault protection | KIT-ZDZ (by LLC «NPP KIT») |
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