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Siemens Protection Devices Limited. Reyrolle - protecting industry since 1886
Protection Relays

OHMEGA 402 - 7SG16

The Ohmega relays are a range of numeric impedance measuring distance protection relays.
Functionality
- 50/60Hz
- 3 zone distance protection
- high set overcurrent
- voltage transformer supervn
- power swing blocking
- switch on to fault
- signalling schemes
- single shot autorelcose
- DEF
- synchronism check
- SEF
- overvoltage

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Documentation

Catalogue Sheet
OHMEGA
Catalogue Sheet 894k

Compliance Certificate
OHMEGA 400 Compliance Certificate 71k
Technical Manual
OHMEGA 300 and 400
list of models 16k

OHMEGA 402 Technical Manual
Contents 53k

OHMEGA 402 Technical Manual
Section 01 Description of Operation 253k

OHMEGA 402 Technical Manual
Section 02 Impedance Functions 156k

OHMEGA 402 Technical Manual
Section 03 Protection Schemes 210k

OHMEGA 402 Technical Manual
Section 04 Relay Settings 190k

OHMEGA 402 Technical Manual
Section 05 Performance Specification 165k

OHMEGA 402 Technical Manual
Section 06 Communication Interface 105k

OHMEGA 402 Technical Manual
Section 07 Applications Guide 310k

OHMEGA 402 Technical Manual
Section 08 Installation 98k

OHMEGA 402 Technical Manual
Section 09 Commissioning 823k

OHMEGA 402 Technical Manual
Section 10 Maintenance 122k

OHMEGA 402 Technical Manual
Section 11 Diagrams 493k

OHMEGA 402 Technical Manual
Section 12 Stub Protection 64k

Technical Report
Communication Interface Manual 1.3Mb
Current Transformer Requirements 104k
Fibre - Optics Application Guide 101k
Wiring Diagrams
 Wiring Diagrams for OHMEGA 402
Panel Drilling Diagrams
 Panel Drilling Diagrams for OHMEGA 402