Circuit Breaker
The circuit breaker switches circuits under load and disconnects them in the event of a fault to protect the network.
Testing & Maintenance: + Visual inspection
+ Infrared thermography
+ SF₆ diagnostics
+ Switching time measurement
+ Contact resistance
+ Dynamic resistance measurement
+ Motion analysis + Lubrication of mechanical parts … and more
Battery Systems
Batteries and chargers ensure the power supply for control and protection systems in the event of a power failure.
Testing & Maintenance: + Cleaning terminals and checking electrolytes
(for lead-acid batteries)
+ Ensuring proper charging rates
+ Voltage and current testing
+ Capacity testing + Discharge and load testing … and more
Surge Arrester
The surge arrester safely takes dangerous overvoltages, like from lightning, down to the ground.
Testing & Maintenance: + Insulation resistance testing + Leakage current measurement + Infrared thermography
+ Insulator cleaning + Replacement in case of excessive leakage currents or physical wear … and more
Gas-Insulated Switchgear (GIS)
GIS is a compact, encapsulated switchgear that offers high switching capacity in a small space thanks to gas insulation.
Testing & Maintenance: + Check of gas filling & quality + Check of hydraulic system for leaks + Check of leak detector and SF₆ barrier + Check of pressure gauges
+ Check of all filters & rupture discs + Partial discharge measurement … and more
Grounding System
The system typically consists of an underground grid and provides a low-resistance path to safely dissipate faults currents into the ground. This ensures the safety of equipment and personnel.
Testing & Maintenance: + Testing the ground resistance + Testing and tightening ground connections … and more
Instrument Transformers
Current Transformers transform high currents and Voltage Transformers transform high voltages to measurable values for monitoring and protection.
Testing & Maintenance: + Infrared thermography + Ratio and polarity tests + Burden tests
+ Insulation resistance tests + Cleaning and inspection of the insulator … and more
Control Panels and SCADA Systems
Control panels and SCADA enable central control, monitoring, and remote operation of the substation.
Testing & Maintenance: + Functional testing of control and communication devices + Cybersecurity assessments
+ Cleaning and tightening of connections+ Software updates and backups … and more
Power Transformer
The power transformer converts electrical energy between different voltage levels to minimize transmission losses.
Testing & Maintenance: + Physical analysis of the insulating oil + Analysis of dissolved gases (DGA) in oil-filled transformers + Measurement of the transmission ratio + Measurement of the winding resistance
+ Measurement of the dissipation factor & capacity + Measurement of the insulation resistance + Inspection and maintenance of on-load tap-changers
+ Infrared thermography + Cleaning and tightening of bushings and connections + Modernization through replacement and upgrade of components … and more
Lightning Protection System
The lightning protection system safely diverts lightning strikes into the ground, thereby protecting the equipment in the substation.
Testing & Maintenance: + Continuity tests + Inspection for physical damage … and more
Relays and Protection Systems
Protection relays and systems monitor the current flow and automatically trip in the event of faults.
Testing & Maintenance: + Relay calibration and functionality tests
+ Testing of secondary feed
+ Testing of trip and alarm circuits
+ Firmware updates … and more
Busbars and Conductors
As the backbone of the substation, busbars and conductors connect the various fields and ensure reliable distribution of electrical energy.
Testing & Maintenance: + Infrared thermography + Inspection of insulation + Cleaning of insulators
+ Tightening of screw connections … and more
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Transcript
Circuit Breaker
The circuit breaker switches circuits under load and disconnects them in the event of a fault to protect the network.
Testing & Maintenance: + Visual inspection + Infrared thermography + SF₆ diagnostics
+ Switching time measurement + Contact resistance + Dynamic resistance measurement
+ Motion analysis + Lubrication of mechanical parts … and more
Battery Systems
Batteries and chargers ensure the power supply for control and protection systems in the event of a power failure.
Testing & Maintenance: + Cleaning terminals and checking electrolytes (for lead-acid batteries) + Ensuring proper charging rates + Voltage and current testing
+ Capacity testing + Discharge and load testing … and more
Surge Arrester
The surge arrester safely takes dangerous overvoltages, like from lightning, down to the ground.
Testing & Maintenance: + Insulation resistance testing + Leakage current measurement + Infrared thermography
+ Insulator cleaning + Replacement in case of excessive leakage currents or physical wear … and more
Gas-Insulated Switchgear (GIS)
GIS is a compact, encapsulated switchgear that offers high switching capacity in a small space thanks to gas insulation.
Testing & Maintenance: + Check of gas filling & quality + Check of hydraulic system for leaks + Check of leak detector and SF₆ barrier + Check of pressure gauges
+ Check of all filters & rupture discs + Partial discharge measurement … and more
Grounding System
The system typically consists of an underground grid and provides a low-resistance path to safely dissipate faults currents into the ground. This ensures the safety of equipment and personnel.
Testing & Maintenance: + Testing the ground resistance + Testing and tightening ground connections … and more
Instrument Transformers
Current Transformers transform high currents and Voltage Transformers transform high voltages to measurable values for monitoring and protection.
Testing & Maintenance: + Infrared thermography + Ratio and polarity tests + Burden tests
+ Insulation resistance tests + Cleaning and inspection of the insulator … and more
Control Panels and SCADA Systems
Control panels and SCADA enable central control, monitoring, and remote operation of the substation.
Testing & Maintenance: + Functional testing of control and communication devices + Cybersecurity assessments
+ Cleaning and tightening of connections+ Software updates and backups … and more
Power Transformer
The power transformer converts electrical energy between different voltage levels to minimize transmission losses.
Testing & Maintenance: + Physical analysis of the insulating oil + Analysis of dissolved gases (DGA) in oil-filled transformers + Measurement of the transmission ratio + Measurement of the winding resistance
+ Measurement of the dissipation factor & capacity + Measurement of the insulation resistance + Inspection and maintenance of on-load tap-changers
+ Infrared thermography + Cleaning and tightening of bushings and connections + Modernization through replacement and upgrade of components … and more
Lightning Protection System
The lightning protection system safely diverts lightning strikes into the ground, thereby protecting the equipment in the substation.
Testing & Maintenance: + Continuity tests + Inspection for physical damage … and more
Relays and Protection Systems
Protection relays and systems monitor the current flow and automatically trip in the event of faults.
Testing & Maintenance: + Relay calibration and functionality tests + Testing of secondary feed + Testing of trip and alarm circuits
+ Firmware updates … and more
Busbars and Conductors
As the backbone of the substation, busbars and conductors connect the various fields and ensure reliable distribution of electrical energy.
Testing & Maintenance: + Infrared thermography + Inspection of insulation + Cleaning of insulators
+ Tightening of screw connections … and more