Diagnostic Testing Of Transformer Motors Generator

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The he transformer also goes through some other tests, performed on it, before actual commissioning of the tra nsformer at site. The transformer testing performed before commissioning the transformer at site is called pre-commissioning test of transformer. These tests are done to assess the condition of transformer after installation and compare the test results of all the low voltage tests with the factory test reports. Type tests of transformer includes

Transformer winding resistance measurement
Transformer ratio test.
Transformer vector group test.
Measurement of impedance voltage/short circuit impedance (principal tap) and load loss (Short circuit test).
Measurement of no load loss and current (Open circuit test).
Measurement of insulation resistance.
Dielectric tests of transformer.
Temperature rise test of transformer.
Tests on on-load tap-changer.
Vacuum tests on tank and radiators.

Tan Delta Measurement Of Transformer

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Off Line Testing

» Dielectric Frequency Response Analysis [ DFR ]

» Sweep Frequency Response Analysis Measurement

» Capacitance And Tan Delta Measurement Of Transformer

» Transformer Turns Ratio Measurement

» Magnetic Balance Measurement

» Excitation Current Measurement

» Winding Resistance Measurement

» Insulation Resistance And Polarization Index Measurement

» OTI And WTI Meter Calibration

» Functional Checking Of Protection Devices Like PRV, Buchoze

Relay, MOG,OTI, WTI

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Transformer Partial Discharge Measurement And Localization

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Product Details:

Application

Industrial

On Line Testing

» Partial Discharge Measurement And Localization

» Thermography

» On Line Moisture Content Measurement

» Transformer Oil (Screening, DGA and Furan ) Test

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SFRA Testing Sweep Frequency Response Analysis Measurement

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Product Details:

Application

Industrial Use

Off Line Testing

» Dielectric Frequency Response Analysis [ DFR ]

» Sweep Frequency Response Analysis Measurement

» Capacitance And Tan Delta Measurement Of Transformer

» Transformer Turns Ratio Measurement

» Magnetic Balance Measurement

» Excitation Current Measurement

» Winding Resistance Measurement

» Insulation Resistance And Polarization Index Measurement

» OTI And WTI Meter Calibration

» Functional Checking Of Protection Devices Like PRV, Buchoze Relay, MOG,OTI, WTI

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Dry Ice Cleaning CO2 Cleaning

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Product Details:

Type of Property

Dry Ice Cleaning/CO2 Cleaning:

» Effective, Efficient and time saving cleaning of Electrical apparatus like

Motors, Generators etc.

» Dry Ice Cleaning or CO2 cleaning is a process where dry Ice (Solid form of carbon dioxide) is accelerated in a pressurized air stream and directed at a surface in order to clean it.

Advantages of Dry Ice/CO2 Cleaning:

» It is a non-abrasive

» It is Non-conductive cleaning method

» Does not leave secondary contaminants such as dangerous solvents as dry ice sublimates at room temperature.

» Saves downtime as the process is less time-consuming.

Note: For Motors and Generators, our expertise does not stop at cleaning; we complete the job by applying right combinations of varnishes, resins and drying at appropriate temperatures.

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Partial Discharge Measurement

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Product Details:

Minimum Order Quantity	1 Piece
Application	Laboratory, Industrial

Online Mode

» Partial Discharge Measurement ( For All Switch-yard Equipment )

» Leakage Current Measurement ( Only For LA )

» Thermography ( For All MV/EHV Equipment )

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Transformer Oil Condition Monitoring

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Product Details:

Application/Usage

Transformer Mineral Insulating Oil Condition

• Physical Parameters

» Appearance

» Interfacial Tension

» Flash Point

» Pour Point

» Density

» Kinematic Viscosity

Chemical Parameters

» Water Content

» Total Acid Number / Neutralization Value

» Sediments And Sludge

Electrical Parameters

» Breakdown Voltage / Dielectric Strength

» Specific Resistance / Resistivity

» Dielectric Dissipation Factor / Tan Delta

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Furanic Compound Analysis

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» Furanic Compound Analysis ( Furans )

• Other Special Test As Per Customer Requirement.

• Testing Packages as per IS/IEC/ASTM Standards.

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Tomography For All MV/EHV Equipment

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Product Details:

Minimum Order Quantity	1 Piece
Testing Type	Leakage Testing

Online Mode

» Partial Discharge Measurement ( For All Switch-yard Equipment )

» Leakage Current Measurement ( Only For LA )

» Thermography ( For All MV/EHV Equipments )

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Diagnostic Testing Of Motor & Amp; Generator

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Product Details:

Type of Motor

AC Motor

Online Mode

» Partial Discharge Measurement

» Vibrations Spectrum Analysis

» Thermography

» Electrical Signature Analysis ( ESA )

» Current Spectrum Analysis

Off Line Mode

» Capacitance And Tan Delta Test

» Dielectric Discharge Test

» Partial Discharge Test

» I.R./P.I. Measurement

» HV DC Test

» RTD - Resistance And IR check

» Thermostat Resistance

» Diode Check

» Dielectric Frequency Response Analysis

» Motor Circuit Analysis ( MCA )

» Sweep Frequency Response Analysis

» Stator Rotor Winding Resistance

» Recurrent Surge Oscilloscope ( RSO )

» Rotor Winding Impedance

» Rotor Pole Drop Test

» Exciter/ PMG Tests

Off line Mode- for Generator

» Visual Inspection of Stator and Rotor

» Endoscopic Inspection

» EL-CID Test On Stator Core

» Wedge Tapping Test or Wedge Deflection Test

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Dielectric Frequency Response Analysis

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Product Details:

Application

Industrial Use

Off Line Mode

» Capacitance And Tan Delta Test

» Dielectric Discharge Test

» Partial Discharge Test

» I.R./P.I. Measurement

» HV DC Test

» RTD - Resistance And IR check

» Thermostat Resistance

» Diode Check

» Dielectric Frequency Response Analysis

» Motor Circuit Analysis ( MCA )

» Sweep Frequency Response Analysis

» Stator Rotor Winding Resistance

» Recurrent Surge Oscilloscope ( RSO )

» Rotor Winding Impedance

» Rotor Pole Drop Test

» Exciter/ PMG Tests

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Current Spectrum Analysis

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Product Details:

Minimum Order Quantity	1 Piece
Application	Industrial Use

Online Mode

» Partial Discharge Measurement

» Vibrations Spectrum Analysis

» Thermography

» Electrical Signature Analysis ( ESA )

» Current Spectrum Analysis

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Thermography Services For Motors & Amp; Generators

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Product Details:

Testing Area

Online Mode

» Partial Discharge Measurement

» Vibrations Spectrum Analysis

» Thermography

» Electrical Signature Analysis ( ESA )

» Current Spectrum Analysis

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Dielectric Discharge Test For motors

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Off Line Mode

» Capacitance And Tan Delta Test

» Dielectric Discharge Test

» Partial Discharge Test

» I.R./P.I. Measurement

» HV DC Test

» RTD - Resistance And IR check

» Thermostat Resistance

» Diode Check

» Dielectric Frequency Response Analysis

» Motor Circuit Analysis ( MCA )

» Sweep Frequency Response Analysis

» Stator Rotor Winding Resistance

» Recurrent Surge Oscilloscope ( RSO )

» Rotor Winding Impedance

» Rotor Pole Drop Test

» Exciter/ PMG Tests

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Recurrent Surge Oscilloscope ( RSO )

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Product Details:

Usage

Laboratory, Industrial

Off Line Mode

» Capacitance And Tan Delta Test

» Dielectric Discharge Test

» Partial Discharge Test

» I.R./P.I. Measurement

» HV DC Test

» RTD - Resistance And IR check

» Thermostat Resistance

» Diode Check

» Dielectric Frequency Response Analysis

» Motor Circuit Analysis ( MCA )

» Sweep Frequency Response Analysis

» Stator Rotor Winding Resistance

» Recurrent Surge Oscilloscope ( RSO )

» Rotor Winding Impedance

» Rotor Pole Drop Test

» Exciter/ PMG Tests

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Rotor Pole Drop Test

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Off Line Mode

» Capacitance And Tan Delta Test

» Dielectric Discharge Test

» Partial Discharge Test

» I.R./P.I. Measurement

» HV DC Test

» RTD - Resistance And IR check

» Thermostat Resistance

» Diode Check

» Dielectric Frequency Response Analysis

» Motor Circuit Analysis ( MCA )

» Sweep Frequency Response Analysis

» Stator Rotor Winding Resistance

» Recurrent Surge Oscilloscope ( RSO )

» Rotor Winding Impedance

» Rotor Pole Drop Test

» Exciter/ PMG Tests

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Electrical Signature Analysis ( ESA )

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Online Mode

» Partial Discharge Measurement

» Vibrations Spectrum Analysis

» Thermography

» Electrical Signature Analysis ( ESA )

» Current Spectrum Analysis

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Diagnostic Testing Of Transformer Motors Generator

Tan Delta Measurement Of Transformer

Transformer Partial Discharge Measurement And Localization

SFRA Testing Sweep Frequency Response Analysis Measurement

Dry Ice Cleaning CO2 Cleaning

Partial Discharge Measurement

Transformer Oil Condition Monitoring

Furanic Compound Analysis

Tomography For All MV/EHV Equipment

Diagnostic Testing Of Motor & Amp; Generator

Dielectric Frequency Response Analysis

Current Spectrum Analysis

Thermography Services For Motors & Amp; Generators

Dielectric Discharge Test For motors

Recurrent Surge Oscilloscope ( RSO )

Rotor Pole Drop Test

Electrical Signature Analysis ( ESA )

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