Commissioning Services

We cover all aspects of electrical testing and commissioning to get your wind project online and generating energy as efficiently as possible.
​Tests include (but not limited to);

• Internal cabling and fit out
• Assisted with commissioning and SIMS works
• Primary Plant Tests
• HV Circuit Breakers
• Insulation Resistance
• Contact Resistance
• Timing
• Reduced Voltage Operation
• Interlocks and functional tests
• Current Transformers 
• Insulation Resistance​
• Panel general items
• Check components & ratings
• Record Equipment details & serial numbers
• Check panel labeling 
• Point to Point wiring checks

• Burden Check
  
• Voltage Transformers
  
• Insulation Resistance
  
• Winding Resistance
  
• Single Point Earth
  
• Ratio & amp; Polarity
  
• Burden Check
  
• Connected Circuitry Phasing Checks
  
• Winding Resistance
  
• Single Point Earth
  
• Ratio & Polarity
  
• Mag Curve
  

Secondary Protection Tests

• Panel general items
• Check components & ratings
• Record Equipment details & serial numbers
• Check panel labeling 
• Point to Point wiring checks​

• Terminal tightness check 
  
• Functional Testing
  
• Panel Heaters 
  
• Protection Relays (SEL 751, SEL 700G, MFAC 34 etc)
  
• Test relays via secondary injection to prove correct element and logic configuration
  

HV Bus Testing

• Insulation Resistance (Pre & post HV withstand)
• ​​Ductor Connections
• ​Hi-Pot HV Withstand
• ​​Primary Injection tests to prove Bus Zone protection stability
• ​HV Cables 
• ​Sheath Test
• ​Insulation Resistance (Pre & post HV withstand)
• ​VLF HV withstand
• ​Phasing Checks
• ​Earth Switches
• Contact Resistance

​

• Interlocks and functional checks
• Power Transformers 
• Insulation Resistance
• Winding Resistance 
• Ratio, Polarity & amp; Phase Relationship 
• Check Oil Levels, Valves, Pipework, Paintwork
• Function check of Temperature Alarms/Trips, Buchholz, PRD etc.
• Primary Injection to prove Differential Scheme stability 
• Site Earthing System
• Full HV system earthing test including step/touch, earth grid impedance, mesh voltages and EPR.​