Specialist Services
We offer an extensive range of specialist services. Please do not hesitate to contact us to discuss your requirements on 08000 496 050.
Substation Commission and Maintenance
- Provide Design and As Built Drawings
- Protection Study
- Setting and programming schemes
- AC Power Frequency Withstand Testing
- DC Withstand and IR Testing
- Current Transformer (CT) and Voltage Transformer (VT)
- Primary Injection Testing
- CT and VT Analysing and Calibrating
- Circuit Breaker Timing and Analysing
- Full Installation, Rewire and Retrofitting
Transformer Commission and Maintenance
- Sweep Frequency Response Analysis (SFRA)
- Transformer Turns Ratio (TTR)
- Transformer Winding Resistance
- Power Factor/Tan
- AC Power Frequency Withstand
- DC Withstand and Insulation Resistance (IR)
- Dielectric Absorption Ratio
- Short Circuit Impedance Load Loss Measurements
- No Load Losses and Current
- Magnetising Current
- Pressure Release Valves (PRV)
- Oil Thermal Indicators (TI)
- Winding Thermal Indicators (TI)
- On-load and Off-load Tap Changer Function and Analysis
- Cooling Function Test - oil pumps, fans etc.
- On site oil breakdown voltage, dissolvable gas analysis and water content.
- Design and Retrofit oil bunds for transformers
- Full onsite Transformer Paint Respray Maintenance and Monitoring Systems
- Online, non-intrusive Partial Discharge Surveys in MV/HV Systems
- Online, Non-intrusive Partial Discharge Mapping in MV/HV Systems
- Offline Partial Discharge Mapping in MV/HV Systems
- Transient Earth Voltage Survey Trend Analysis
- Battery Impedance and Discharge testing
- Power Quality Analysis
- Firm Frequency Response
- Thermography Survey Analysis Report
- Drone Thermography
- Draw Oil Samples - In accordance to BS EN 60475:2011 for onsite or offsite analysis
- Our HV Maintenance Package include Thermal Imaging (TI) and Transient Earth Voltage (TEV) - survey reports as
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Certified SF6 Handling and Installation
- Gas Testing Analysis
- SF6 Leak Inspection
- SF6 Recovery, top Ups and Refills
- Fault Investigations
- Decontamination and Restoration Works
- SF6 Installation, Servicing and Maintenance
- Recovery, Repair or Decommission on Sulphur Hexafluoride (SF6) filled
- High Voltage Electrical Switchgear in Accordance with EU Regulations
- NO:517/2014 and the Fluorinated Greenhouse Gases Regulations 2015
Mobile Oil Testing and Analysis
- Water Content and Dissolvable Gas Analysis
- Oil Voltage withstand Testing