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

OHMEGA 307 - 7SG16

Obsolete productObsolete product

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

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Documentation

Catalogue Sheet
OHMEGA
Catalogue Sheet 894k

Technical Manual
OHMEGA 300 and 400
list of models 16k

OHMEGA 307
Site Testing Schedule 998k

OHMEGA 307 Technical Manual
Contents 5k

OHMEGA 307 Technical Manual
Section 01 Description of Operation 153k

OHMEGA 307 Technical Manual
Section 02 Impedance Functions 72k

OHMEGA 307 Technical Manual
Section 03 Protection Schemes 79k

OHMEGA 307 Technical Manual
Section 04 Relay Settings 71k

OHMEGA 307 Technical Manual
Section 05 Performance Specification 90k

OHMEGA 307 Technical Manual
Section 06 Communication Interface 15k

OHMEGA 307 Technical Manual
Section 07 Applications Guide 24k

OHMEGA 307 Technical Manual
Section 08 Installation 11k

OHMEGA 307 Technical Manual
Section 09 Commissioning 16k

OHMEGA 307 Technical Manual
Section 10 Maintenance 8k

OHMEGA 307 Technical Manual
Section 11 Diagrams 309k

OHMEGA 307 Technical Manual
Section 12 Autoreclose Synchronising 98k

Technical Report
Communication Interface Manual 1.3Mb
Current Transformer Requirements 104k
Fibre - Optics Application Guide 101k
Wiring Diagrams
 Wiring Diagrams for OHMEGA 307
Panel Drilling Diagrams
 Panel Drilling Diagrams for OHMEGA 307