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Equipment Video Library

#Circuit Breakers

Low-Voltage Circuit Breaker Primary Injection Testing

Equipment Type: Low-Voltage Circuit Breaker
Manufacturer / Brand: Megger
Model / Series: General
Primary Topic: Primary Injection Testing
Activity: Testing / Trip Verification
Skill Level: Intermediate
Source Type: Test Equipment Manufacturer

What You’ll Learn:
An introduction to primary-current injection testing of low-voltage circuit breakers and why primary injection is used to evaluate the complete breaker protection path.

PSA Note:
Strong resource for distinguishing primary injection from secondary trip-unit testing. Useful before studying long-time, short-time, instantaneous, and ground-fault testing.

Hashtags:
#Megger #PrimaryInjection #CircuitBreaker #LowVoltage #BreakerTesting #TripUnit #NETA

#Transfer Switches

Manual Transfer Switches — Applications and Operation

Equipment Type: Transfer Switch
Manufacturer / Brand: ASCO Power Technologies
Model / Series: General
Primary Topic: Manual Transfer Equipment
Activity: Equipment Familiarization
Skill Level: Beginner
Source Type: OEM / Manufacturer

What You’ll Learn:
An introduction to manual transfer-switch solutions and their use for transferring electrical loads between available sources.

PSA Note:
Useful companion to the automatic-transfer-switch material because it helps newer learners distinguish manual transfer equipment from automatic transfer schemes.

Hashtags:
#ASCO #TransferSwitch #ManualTransferSwitch #EmergencyPower #StandbyPower #ElectricalDistribution

#Switchgear

Medium-Voltage Switchgear Fundamentals — Metal-Clad, Metal-Enclosed and Compact Switchgear

Equipment Type: Medium-Voltage Switchgear
Manufacturer / Brand: Eaton
Model / Series: General
Primary Topic: MV Switchgear Fundamentals
Activity: Equipment Familiarization
Skill Level: Beginner
Source Type: OEM / Manufacturer

What You’ll Learn:
The differences among metal-clad, metal-enclosed, and compact medium-voltage switchgear, along with applicable IEEE standards, protection options, arc-resistant construction, and modern monitoring features.

PSA Note:
This is an excellent Start Here switchgear video. It gives new technicians enough vocabulary and system context to understand later breaker, bus, CT/PT, relay, and maintenance videos.

Hashtags:
#Eaton #Switchgear #MediumVoltage #MVSwitchgear #MetalClad #ArcResistant #ElectricalDistribution

#CTs & PTs

Megger MRCT — Current Transformer Test Connections and Lead Setup

Equipment Type: Current Transformer
Manufacturer / Brand: Megger
Model / Series: MRCT
Primary Topic: CT Test Connections
Activity: Testing / Setup
Skill Level: Intermediate
Source Type: Test Equipment Manufacturer

What You’ll Learn:
How to connect the Megger MRCT to a current transformer for ratio, saturation, polarity, winding resistance, and insulation testing.

PSA Note:
Very useful for technicians because incorrect CT test connections can invalidate results before the actual test even begins.

Hashtags:
#Megger #MRCT #CurrentTransformer #CTTesting #RatioTesting #SaturationTest #PolarityTest

#CTs & PTs

Megger MRCT — How to Test a Voltage Transformer

Equipment Type: Voltage Transformer / Potential Transformer
Manufacturer / Brand: Megger
Model / Series: MRCT
Primary Topic: Voltage Transformer Testing
Activity: Testing / Commissioning
Skill Level: Intermediate
Source Type: Test Equipment Manufacturer

What You’ll Learn:
How to test a voltage transformer using the Megger MRCT and Instrument Transformer Management Software, including setup and measurement workflow.

PSA Note:
A strong model-specific entry for PT/VT testing and a good companion to current-transformer testing with the same platform.

Hashtags:
#Megger #MRCT #VoltageTransformer #PotentialTransformer #PTTesting #VTTesting #InstrumentTransformers

#Transformers

Megger TRAX — How to Perform a Transformer Turns Ratio Test

Equipment Type: Power Transformer
Manufacturer / Brand: Megger
Model / Series: TRAX
Primary Topic: Transformer Turns Ratio
Activity: Testing / Commissioning
Skill Level: Intermediate
Source Type: Test Equipment Manufacturer

What You’ll Learn:
How to perform a three-phase transformer turns-ratio test using the Megger TRAX multifunction transformer and substation test system.

PSA Note:
Good model-specific follow-up after learners understand the purpose of TTR testing and how expected ratios are calculated.

Hashtags:
#Megger #TRAX #TransformerTesting #TTR #TurnsRatio #PowerTransformer

#Insulation & Diagnostics

Partial Discharge Testing — Fundamentals and Detection

Equipment Type: Insulation Systems
Manufacturer / Brand: Megger
Model / Series: General
Primary Topic: Partial Discharge
Activity: Condition Assessment / Diagnostics
Skill Level: Intermediate–Advanced
Source Type: Test Equipment Manufacturer

What You’ll Learn:
An introduction to partial discharge, why it occurs in insulation systems, and how PD activity can be detected and evaluated.

PSA Note:
Useful foundational material before getting into equipment-specific PD testing of cables, transformers, switchgear, rotating machines, or GIS.

Hashtags:
#Megger #PartialDischarge #PDTesting #InsulationTesting #ConditionAssessment #Diagnostics #HighVoltage

#CTs & PTs

Potential Transformer Testing — Ratio, Polarity and Insulation Checks

Equipment Type: Potential Transformer / Voltage Transformer
Manufacturer / Brand: General
Model / Series: General
Primary Topic: PT / VT Testing
Activity: Testing / Maintenance
Skill Level: Beginner–Intermediate
Source Type: Independent Technical Training

What You’ll Learn:
A general walkthrough of PT testing concepts including insulation resistance, polarity, ratio, winding resistance, and phase-sequence checks. YouTube

PSA Note:
Useful as a fundamentals entry before the Megger MRCT model-specific PT video.

Hashtags:
#PotentialTransformer #VoltageTransformer #PTTesting #VTTesting #InstrumentTransformers #ElectricalTesting

#Transformers

Power Transformer Testing — Common Field Tests

Equipment Type: Power Transformer
Manufacturer / Brand: Megger
Model / Series: General
Primary Topic: Transformer Testing
Activity: Commissioning / Maintenance Testing
Skill Level: Beginner–Intermediate
Source Type: Test Equipment Manufacturer / Technical Training

What You’ll Learn:
An overview of common electrical tests performed on transformers and the purpose of evaluating transformer condition during commissioning and maintenance.

PSA Note:
Good general introduction before breaking transformer testing into individual topics such as TTR, winding resistance, insulation resistance, excitation current, power factor, and SFRA.

Hashtags:
#Transformer #TransformerTesting #Megger #PowerTransformer #Commissioning #MaintenanceTesting #NETA

#Circuit Breakers

Primary Injection Testing with the Megger SPI Smart Primary Injection System

Equipment Type: Low-Voltage Circuit Breaker / Primary Injection Test Equipment
Manufacturer / Brand: Megger
Model / Series: SPI
Primary Topic: Primary Injection Testing
Activity: Testing / Trip Verification
Skill Level: Intermediate
Source Type: Test Equipment Manufacturer

What You’ll Learn:
An introduction to primary-current injection testing using Megger’s SPI system and how high-current testing can be used to evaluate circuit-breaker protection performance.

PSA Note:
Useful follow-on to basic breaker-testing material because it demonstrates the equipment and workflow associated with primary injection rather than secondary trip-unit testing.

Hashtags:
#Megger #PrimaryInjection #CircuitBreaker #BreakerTesting #LowVoltage #ElectricalTesting #NETA