Transformer Maintenance and Testing
Transformers are inspected, insulating members are cleaned, and the transformer is tested per standard tests.
- Oil Filled Power Transformers
- Dry Type Power Transformers
- Pad Mount Power Transformers
- Non-Flammable Liquid Transformers
- Oil Leak Repairs
- Current (Transformers)
- Transformer Oil Analysis
- Transformer Oil Filtering
- Transformer Oil Replacement
- Transformer Ultrasonic Scanning
- Cast Coil Power Transformers
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- Nitrogen Insulated Power Transformers
- Bushing Repairs And Replacement
- Gasket Replacement & Repairs
- Transformer Tank Painting
- Potential Transformers
- Transformer Gas Analysis
- Transformer Acceptance Testing
- Transformer Maintenance Testing
- Power Monitor Retrofits
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Infrared and Ultrasonic Scanning
Infrared scans determine the significance of hot spots found in equipment. Equipment is scanned while normal load is applied.
- Electrical Switchgear & Equipment
- Electrical Distribution Systems
- Electrical Transmission Systems
- Electric Induction Furnaces
- Roof and Building Envelope Inspections
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- Hospital Maintenance Programs
- Data Processing Maintenance Programs
- Electric Arc Furnaces
- Process (Monitoring)
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Circuit Breaker Maintenance and Testing
Circuit Breakers are inspected for material integrity. Insulating members are cleaned. Contact resistance, overcurrent protection, shunt trip, and megger tests are performed per specifications.
- Power Circuit Breakers
- Molded Case Breakers
- Insulated Case Breakers
- Medium Voltage Breakers
- High Voltage Breakers
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- Vacuum (Breakers)
- Oil Circuit Breakers
- SF6 Breakers
- SF6 Gas Analysis
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Circuit Breaker Reconditioning
Circuit Breakers are reconditioned. Components showing signs of wear are replaced with new.
- Low Voltage
- Medium Voltage
- Oil Circuit Breaker
Circuit Breaker Retrofitting
Circuit Breakers are retrofitted with new overcurrent devices ensuring essential trip specifications.
- Low Voltage - Solid State
- Low Voltage with Power Monitors
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- Medium Voltage Vacuum
- Medium Voltage SF6
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Equipment Maintainted and Tested
Equipment is inspected for material integrity. Insulating members are cleaned and each device undergoes appropriate testing.
- Switchgear Assemblies
- Unit Substations
- Power Centers & Motors Control Centers
- Medium Voltage Starters
- Generator Switchgear
- Lightning Arresters
- Control Devices
- Electronic Overcurrent Devices
- Ground Resistance Testing
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- Medium Voltage Contactors
- Ground Fault Equipment
- Transfer Switches
- Emergency Power Equipment Generators
- Cable Hypotential Testing
- Protective Relays
- Instruments and Meters
- Bolted Pressure Switches
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Engineering Services
MIDWEST brings a full range of engineering capabilities to ensure the utmost efficiency, reliability, and safety ratios possible in power distribution solutions.
- Power Quality Analysis
- Harmonic Analysis
- Fault Current Analysis
- Preventive Maintenance Programs
- Power System Evaluations
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- Coordination Analysis
- Load Studies
- Power Factor Analysis
- Power Monitor Retrofits
- PCB Reviews & Recommendations
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Training Services
MIDWEST provides safety training at either our site or the customers site as preferred. One of our most asked for training classes is on grounding out procedures.
- Electrical Safety
- Equipment Maintenance
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- Customer-Specific Training
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ARC FLASH HAZARD ANALYSIS
(Per NFPA 70E – OSHA)
Arc Flash – The new frontier of Electrical Safety. Here equipment is analyzed for Arc Flash potential relative to human safety.
- Engineering & Field Services
- PC-PPE Guide & Risk Levels
- Systems Arc Flash Hazard Analysis
- Labeling Policy & Program
- Safety Equipment Testing
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- Hands-On Safety Training (OSHA 29 910.331-335)
- PC-PPE Guide For Electricians
- Incident Energy Levels
- Hazard Risk Levels
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