Transformer Testing Laboratories Directory

The premier independent high-power and high-voltage laboratory globally. Capable of full dynamic short-circuit withstand tests on large generator step-up and autotransformers up to 1,200 kV class.

Booth N2F71

Exhibitor list products: Independent testing, inspection and certification organization

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EHV and UHV testing facility covering power transformers, HVDC bushings, instrument transformers and grid components with full third-party certification.

Major European independent test laboratory, STL (Short-Circuit Testing Liaison) member, providing full type test certification for international tenders.

Historic German high-power test laboratory with specialized facilities for distribution transformers, dry-type cast resin units and sub-transmission equipment.

Autonomous premier government research institute and testing laboratory in South Asia. Recognized globally by STL, ASTA and utilities across Asia, Middle East and Africa.

Co-operative non-profit industrial research and testing organization serving India's electrical manufacturing corridor with extensive transformer oil and dielectric labs.

Leading East Asian government-funded research institute and high-power test laboratory, full member of STL.

Industry benchmark laboratory for dielectric diagnostics, DGA, furan analysis, corrosive sulfur detection, and insulation aging assessment.

Worldwide analytical testing laboratory specializing in oil condition monitoring, degree of polymerization (DP) measurement, and forensic failure analysis.

Independent Canadian high-voltage laboratory offering transformer and insulation tests as published on its website.

Independent testing and engineering laboratory serving utilities; transformer and oil/diagnostic services as published.

Brazilian electrical energy research centre with high-voltage test facilities. Scope as published by CEPEL.

Romanian national institute for electrical testing and research, including transformer tests as published.

Instruments and Meters Series, Metrological Testing Instruments and Meters Series, Operation, Maintenance and High-Voltage Testing Instruments Series, Substation Online Monitoring Series Products

Booth W4G35

Exhibitor list products: Instruments and Meters Series, Metrological Testing Instruments and Meters Series, Operation, Maintenance and High-Voltage Testing Instruments Series, Substation Online Monitoring Series Products

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Transformer Turns Ratio Tester, Transformer Capacity Tester, Transformer On-Load Tap Changer Tester, Loop Resistance Tester, Short-Circuit Impedance Tester, Circuit Breaker Analyzer, Variable- Frequency Volt-Ampere Characteristic Tester

Booth 5Q06

Exhibitor list products: Transformer Turns Ratio Tester, Transformer Capacity Tester, Transformer On-Load Tap Changer Tester, Loop Resistance Tester, Short-Circuit Impedance Tester, Circuit Breaker Analyzer, Variable- Frequency Volt-Ampere Characteristic Tester

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Power system testing and measurement, metering instruments and meters; power equipment monitoring devices, high and low voltage electrical equipment devices, power electronics equipment system software development, transformer turns ratio group testers, transformer capacity testers

Booth W5T21

Exhibitor list products: Power system testing and measurement, metering instruments and meters; power equipment monitoring devices, high and low voltage electrical equipment devices, power electronics equipment system software development, transformer turns ratio group testers, transformer capacity testers

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Transparent substation digital twin systems, transformer intelligent monitoring maintenance-free breathers, dry-type reactor inter-turn short circuit online monitoring systems, new cable fire and explosion protection materials, SF6 spectral comprehensive analyzers, partial discharge inspection instruments

Booth N3J31

Exhibitor list products: Transparent substation digital twin systems, transformer intelligent monitoring maintenance-free breathers, dry-type reactor inter-turn short circuit online monitoring systems, new cable fire and explosion protection materials, SF6 spectral comprehensive analyzers, partial discharge inspection instruments

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Power equipment online detection systems (SF6 leak detectors, SF6 dew point meters, SF6 gas comprehensive analyzers, SF6 density relay calibrators and other testing instruments, SF6 leakage online monitoring systems, SF6 moisture density online monitoring systems, GIS partial discharge online monitoring systems)

Booth N5J46

Exhibitor list products: Power equipment online detection systems (SF6 leak detectors, SF6 dew point meters, SF6 gas comprehensive analyzers, SF6 density relay calibrators and other testing instruments, SF6 leakage online monitoring systems, SF6 moisture density online monitoring systems, GIS partial discharge online monitoring systems)

Website: —

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Vacuum Oil Purifier

Booth N5S15

Exhibitor list products: Vacuum Oil Purifier

Website: —

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Power IoT Sensing, Transformer Oil Level Monitoring

Booth W5G45

Exhibitor list products: Power IoT Sensing, Transformer Oil Level Monitoring

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Switchgear partial discharge detectors and online monitoring systems UTP2, UTL, UTM2; cable partial discharge detectors and online monitoring systems CDC, CDM; GIS partial discharge online monitoring systems, outdoor substation partial discharge detectors PD Hawk, power asset consulting management CBRM

Booth W5H33

Exhibitor list products: Switchgear partial discharge detectors and online monitoring systems UTP2, UTL, UTM2; cable partial discharge detectors and online monitoring systems CDC, CDM; GIS partial discharge online monitoring systems, outdoor substation partial discharge detectors PD Hawk, power asset consulting management CBRM

Website: —

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Insulation series products, bushings, electrical monitoring

Booth N4G01

Exhibitor list products: Insulation series products, bushings, electrical monitoring

Website: —

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Testing services

Booth N2E16

Exhibitor list products: Testing services

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Partial discharge products, withstand voltage test systems, shielded rooms, lightning impulse series, variable frequency series resonance test series, generator sets series, testing instrument series, temperature rise large current series

Booth N5K15

Exhibitor list products: Partial discharge products, withstand voltage test systems, shielded rooms, lightning impulse series, variable frequency series resonance test series, generator sets series, testing instrument series, temperature rise large current series

Website: —

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Power-frequency withstand voltage test sets, online monitoring devices, and insulating components

Booth W5F48

Exhibitor list products: Power-frequency withstand voltage test sets, online monitoring devices, and insulating components

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Power automation products—substation integrated automation systems, digital protection measurement and control devices, digital integrated protection devices, digital backup automatic devices, digital universal integrated protection devices, high-frequency switching DC power supply systems, distribution network automation terminal devices, GIS partial discharge online monitoring devices, fiber optic temperature measurement products—distributed fiber optic temperature measurement systems, fiber Bragg grating sensing systems, wireless temperature measurement systems

Booth N5J37

Exhibitor list products: Power automation products—substation integrated automation systems, digital protection measurement and control devices, digital integrated protection devices, digital backup automatic devices, digital universal integrated protection devices, high-frequency switching DC power supply systems, distribution network automation terminal devices, GIS partial discharge online monitoring devices, fiber optic temperature measurement products—distributed fiber optic temperature measurement systems, fiber Bragg grating sensing systems, wireless temperature measurement systems

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Nanjing Qizhi Electric Technology Co., Ltd. is a professional provider of electrical equipment health diagnosis and O&M services; its core Electrical Equipment Health Cloud integrates self-developed precision sensors, edge computing units and big data diagnostic cloud platform to provide reliable monitoring and fault diagnosis services

Booth N3J17

Exhibitor list products: Nanjing Qizhi Electric Technology Co., Ltd. is a professional provider of electrical equipment health diagnosis and O&M services; its core Electrical Equipment Health Cloud integrates self-developed precision sensors, edge computing units and big data diagnostic cloud platform to provide reliable monitoring and fault diagnosis services

Website: —

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DC High-Voltage Generator, On-Load Tap Changer Tester, DC Resistance Tester

Booth 5L27

Exhibitor list products: DC High-Voltage Generator, On-Load Tap Changer Tester, DC Resistance Tester

Website: —

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Vacuum drying equipment, vacuum casting tanks, vacuum oil filling equipment, transformer drying ovens

Booth 5B21

Exhibitor list products: Vacuum drying equipment, vacuum casting tanks, vacuum oil filling equipment, transformer drying ovens

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Transformer oil gas online monitoring devices, transformer oil gas online monitoring, transformer hydrogen online monitoring

Booth N5Q17

Exhibitor list products: Transformer oil gas online monitoring devices, transformer oil gas online monitoring, transformer hydrogen online monitoring

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Circuit breaker monitors, fault recording monitors, transformer monitors

Booth 2S23

Exhibitor list products: Circuit breaker monitors, fault recording monitors, transformer monitors

Website: —

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Intelligent distribution substations, ring main unit partial discharge monitoring, low-voltage distribution network feeder monitoring devices, distribution transformer terminals, portable automation terminal maintenance tools, high-voltage cable fault location systems, distributed fiber optic temperature measurement systems, online monitoring systems, video surveillance systems, fire alarm and automatic extinguishing systems, distributed fiber optic anti-tampering systems, high- voltage cable intelligent grounding boxes, intelligent inspection robots, cable channel edge IoT

Booth N3S35

Exhibitor list products: Intelligent distribution substations, ring main unit partial discharge monitoring, low-voltage distribution network feeder monitoring devices, distribution transformer terminals, portable automation terminal maintenance tools, high-voltage cable fault location systems, distributed fiber optic temperature measurement systems, online monitoring systems, video surveillance systems, fire alarm and automatic extinguishing systems, distributed fiber optic anti-tampering systems, high- voltage cable intelligent grounding boxes, intelligent inspection robots, cable channel edge IoT

Website: —

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High-voltage testing, cable system products, various high-voltage testing instruments, high-voltage test equipment

Booth N4S05

Exhibitor list products: High-voltage testing, cable system products, various high-voltage testing instruments, high-voltage test equipment

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Transmission line/cable/distributed fault monitoring devices, transformer dynamic load intelligent management systems, hazard early warning and precise fault location devices, transformer photoacoustic spectroscopy dissolved gas monitoring systems, comprehensive state intelligent sensing systems

Booth W5H26

Exhibitor list products: Transmission line/cable/distributed fault monitoring devices, transformer dynamic load intelligent management systems, hazard early warning and precise fault location devices, transformer photoacoustic spectroscopy dissolved gas monitoring systems, comprehensive state intelligent sensing systems

Website: —

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Transformer Monitoring System

Booth 1A51

Exhibitor list products: Transformer Monitoring System

Website: —

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Online Monitoring System, Acoustic Imager, Damped AC Cable Testing System, Partial Discharge Tester, Live Testing of High-Voltage Cable Circuit Resistance

Booth W4G51

Exhibitor list products: Online Monitoring System, Acoustic Imager, Damped AC Cable Testing System, Partial Discharge Tester, Live Testing of High-Voltage Cable Circuit Resistance

Website: —

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Transformer On-Load Tap Changer Tester, Transformer Capacity Tester, Transformer Turns Ratio Tester, Loop Resistance Tester, Instrument Transformer V-A Characteristics Tester, Circuit Breaker Mechanical Characteristics Tester

Booth W5F45

Exhibitor list products: Transformer On-Load Tap Changer Tester, Transformer Capacity Tester, Transformer Turns Ratio Tester, Loop Resistance Tester, Instrument Transformer V-A Characteristics Tester, Circuit Breaker Mechanical Characteristics Tester

Website: —

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Series resonance AC withstand voltage test devices, non-partial discharge test devices, partial discharge online detection and power online monitoring, high-voltage withstand voltage test equipment, power safety tool calibration devices, batteries, DC system testing equipment, transformer test equipment, motor test equipment, circuit breakers, switch testing equipment, relay protection, secondary circuit test equipment, cable and line testing and safety maintenance tools, instrument transformer calibration and testing equipment, electric energy and metering testing

Booth W4M18

Exhibitor list products: Series resonance AC withstand voltage test devices, non-partial discharge test devices, partial discharge online detection and power online monitoring, high-voltage withstand voltage test equipment, power safety tool calibration devices, batteries, DC system testing equipment, transformer test equipment, motor test equipment, circuit breakers, switch testing equipment, relay protection, secondary circuit test equipment, cable and line testing and safety maintenance tools, instrument transformer calibration and testing equipment, electric energy and metering testing

Website: —

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Gas Insulated Switchgear (GIS) leak sealing, transformer leak sealing, aspirating smoke detector, fire early warning system

Booth W4M23

Exhibitor list products: Gas Insulated Switchgear (GIS) leak sealing, transformer leak sealing, aspirating smoke detector, fire early warning system

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Integrated Transformer Online Monitoring Cabinet, Switchgear Temperature Measurement Device, GIS Partial Discharge Monitoring Device, Circuit Breaker Mechanical Characteristics Online Monitoring Terminal, SF6 Density and Moisture Monitoring Unit, Transformer Core and Clamp Monitoring Device, Surge Arrester Online Monitoring Device, Switchgear Intelligent Measurement

Booth W5C38

Exhibitor list products: Integrated Transformer Online Monitoring Cabinet, Switchgear Temperature Measurement Device, GIS Partial Discharge Monitoring Device, Circuit Breaker Mechanical Characteristics Online Monitoring Terminal, SF6 Density and Moisture Monitoring Unit, Transformer Core and Clamp Monitoring Device, Surge Arrester Online Monitoring Device, Switchgear Intelligent Measurement

Website: —

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SF6 gas moisture density online monitoring systems, arrester online monitoring systems, digital arrester monitors, GIS partial discharge online monitoring systems, SF6 gas leak monitoring and alarm systems, transformer partial discharge online monitoring systems, digital terminals, intelligent gateways

Booth N4M01

Exhibitor list products: SF6 gas moisture density online monitoring systems, arrester online monitoring systems, digital arrester monitors, GIS partial discharge online monitoring systems, SF6 gas leak monitoring and alarm systems, transformer partial discharge online monitoring systems, digital terminals, intelligent gateways

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Testing and inspection of high-voltage electrical products, research on testing technologies, product development research, and complete equipment system research for high-voltage AC/DC transmission projects

Booth N1L49

Exhibitor list products: Testing and inspection of high-voltage electrical products, research on testing technologies, product development research, and complete equipment system research for high-voltage AC/DC transmission projects

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Wireless temperature measurement systems, switchgear partial discharge online monitoring devices, intelligent control devices, ultra-high frequency partial discharge sensors, electrical contact online temperature measurement devices, microcomputer protection, multifunctional power meters, temperature and humidity controllers, intelligent dehumidifiers, microcomputer secondary harmonic suppression, low current grounding selection, intelligent arc protection and other secondary equipment devices and power monitoring systems

Booth N5P65

Exhibitor list products: Wireless temperature measurement systems, switchgear partial discharge online monitoring devices, intelligent control devices, ultra-high frequency partial discharge sensors, electrical contact online temperature measurement devices, microcomputer protection, multifunctional power meters, temperature and humidity controllers, intelligent dehumidifiers, microcomputer secondary harmonic suppression, low current grounding selection, intelligent arc protection and other secondary equipment devices and power monitoring systems

Website: —

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Product certification, high-voltage product testing

Booth N5T36

Exhibitor list products: Product certification, high-voltage product testing

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Electromechanical product monitoring services

Booth W5C01

Exhibitor list products: Electromechanical product monitoring services

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Renewables (REN) Energy Management (EM) Environmental Sustainability Advisory Climate Action Certification (CAC)

Testing, inspection and certification

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Unclaimed directory listing. No accreditation is claimed.

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Unclaimed listing. No accreditation is claimed.

Unclaimed listing. Hydrogen sensors for transformer monitoring. No accreditation is claimed.

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Mexico)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Brazil)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (India)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (India)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United States)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United States)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Norway)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Malaysia)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Malaysia)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United States)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Canada)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United Kingdom)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United Kingdom)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (China)

Unclaimed directory listing. The company site describes electrical test equipment, including power transformer test sets.

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (United Arab Emirates)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Australia)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Australia)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (Argentina)

Unclaimed directory listing. Transformer testing, diagnostics and monitoring (India)

Independent inspection and testing company. The public site describes transformer-oil condition monitoring: oil sampling, oil quality, dissolved-gas analysis, cellulose-insulation assessment and oil processing.

Unclaimed directory listing. Transformer temperature control units, probes and fans

Unclaimed directory listing. HV and transformer test equipment

Unclaimed directory listing. DMCR protection relays and monitoring for distribution transformers

Unclaimed directory listing. Transport impact recorders for power transformers

Unclaimed directory listing. Transformer accessories and gas monitoring

Unclaimed directory listing. HV test equipment

Unclaimed directory listing. Temperature monitoring for dry-type and oil transformers

Unclaimed directory listing. HV AC test sets for transformers; breaker and motor testing

Unclaimed directory listing. Transformer and HV test equipment

Unclaimed directory listing. Transformer turns-ratio, winding-resistance and HV test sets

Unclaimed directory listing. HV test equipment

Unclaimed directory listing. Transformer and power test equipment

Unclaimed directory listing. Online DGA monitors for transformers

Unclaimed directory listing. Partial-discharge monitoring

Unclaimed directory listing. Transformer ratio, winding-resistance and substation test sets

Unclaimed directory listing. Relay and transformer/CT test sets

Unclaimed directory listing. Transformer and HV test equipment

Unclaimed directory listing. Transformer and HV test instruments

Unclaimed directory listing. Transformer and power test equipment

Unclaimed directory listing. Load banks and transformers for power testing