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About Substations

An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps...

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Recent Updates

• New Manual for Mitsubishi S-N Contactors.
  
• Some links has been updated in Test Procedures.
  
• In Relays Configuration: New relay added (7SA522 Line Distance Protection).
  
• In Software: New Software added for ABB REB500 HMI 7.50 for old version relays.
  
• In Relays Configuration: New Relays added (Siemens - SEL - ZIV...)
  
• In Testing & Commissioning New Test added: ​SF6 Gas tests.
  
• New Manual for SEL487E Relay (Transformer Differential).
  
• New Manual for SEL487V Relay (Capacitor Protection).
  
• New Manual for ABB Timer CT-MFD.
  

Top 5 Visits

• Manuals.
• Softwares.
• Test Procedures.
• Testing & Commissioning.
• Formats.

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