Ayt Engineering Private Limited Sector 27, Gurugram, Haryana

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  galvanised stay wire

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  Cable Jointing Kit

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  stay clamp

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Services

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  Electrical Testing Service, Diagnostic Services

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  A. Cable Testing Services 1.Insulation Resistance & Polarization Index 2.Very Low Frequency (VLF) Testing: 3.Dissipation Factor (DF) or Tan Delta (TD) 4.Partial Discharge (PD) Measurement B. Transformer Testing Services Online Testing- Transformer 1.Oil & DGA (Take samples as per the recommended IEC and IEEE standards) 2.Thermography 3.Partial Discharge Measurement and Localization Offline Testing- Transformer 1.Insulation Resistance and Polarization Index (IRAPI™) 2.Short Circuit Impedance Measurement 3.Winding Resistance Test 4.Magnetic Balance Test 5.Turns Ratio 6.Surge Comparison Test 7.Tan Delta & Capacitance Measurement of Transformers and Bushings 8.Sweep Frequency Response Analysis (SFRA) 9.Dielectric Frequency Response Analysis (DFRA) C. Motors and Generators Testing Services ONLINE Diagnostic Testing 1.Vibration Measurement and Analysis 2.Acoustic Emission 3.Discharge Current Measurement 4.Thermography 5.Motor Current & Torque Signature Analysis 6.Partial Discharge Measurement OFFLINE Diagnostic Testing 1.Winding Resistance Measurement 2.Insulation Resistance and Polarization Index (IEEE-43-2000) 3.DC/Very Low Frequency( VLF) Testing (IEEE95-2002/IEEE433-2009) 4.Surge Testing (IEEE522-2004) 5.Power factor Tip Up Test (IEEE286-2000) with VLF (0.1Hz) 6.Partial Discharge Test (IEEE1434-2000/ or IEC60034) with VLF (0.1Hz) D. Switchgear Testing Services There are various kinds of Switchgears. They are mainly Air Insulated and Gas Insulated Switchgears and it consists of Current Transformer (CT), Potential Transformer (PT), Circuit Breakers (CB), Earthing Switches, Meters, Transducers, Control Components and Protection Relays. Unlike many electrical equipments, there are very few Diagnostic Testing on Switchgears. AYT recommends the following diagnostic testing on Switchgears: 1.Circuit Breaker Analysis 2.Contact Resistance Measurement 3.VLF HIPOT Testing 4.Thermography ( Online) 5.Online Partial Discharge Measurement Outdoor Circuit Breakers, Current Transformers, Potential Transformers, Surge Arrestors and Line Insulators etc are separate in the case of an Outdoor Switchyard and hence this equipment could be tested separately and Diagnostic Testing is performed which is listed below: 1.Insulation Resistance and Polarization Index (IRAPI™) 2.Winding Resistance & Turns Ratio (for CT/PT) 3.Tan Delta and Tip Up test 4.Online/offline Partial Discharge Measurement (Wherever possible, Offline testing is recommended)

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  Electrical Testing services, Diagnostic Services

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  A. Online Testing- Transformer 1. Oil & DGA (Take samples as per the recommended IEC and IEEE standards) 2. Thermography 3. Partial Discharge Measurement and Localization A 1. Offline Testing- Transformer 1. Insulation Resistance and Polarization Index (IRAPI™) 2. Short Circuit Impedance Measurement 3. Winding Resistance Test 4. Magnetic Balance Test 5. Turns Ratio 6. Surge Comparison Test 7. Tan Delta & Capacitance Measurement of Transformers and Bushings 8. Sweep Frequency Response Analysis (SFRA) 9. Dielectric Frequency Response Analysis (DFRA) B. Motors & Generators ONLINE Diagnostic Testing 1. Vibration Measurement and Analysis 2. Acoustic Emission 3. Discharge Current Measurement 4. Thermography 5. Motor Current & Torque Signature Analysis 6. Partial Discharge Measurement B 1. Motors & Generators OFFLINE Diagnostic Testing 1. Winding Resistance Measurement 2. Insulation Resistance and Polarization Index (IEEE-43-2000) 3. DC/Very Low Frequency( VLF) Testing (IEEE95-2002/IEEE433-2009) 4. Surge Testing (IEEE522-2004) 5. Power factor Tip Up Test (IEEE286-2000) with VLF (0.1Hz) 6. Partial Discharge Test (IEEE1434-2000/ or IEC60034) with VLF (0.1Hz) C. Indoor Switch Gear Testing & Diagnostic Services 1. Circuit Breaker Analysis 2. Contact Resistance Measurement 3. VLF HIPOT Testing 4. Thermography ( Online) 5. Online Partial Discharge Measurement C1. Out Door Switchgear Testing & Diagnostic Services 1. Insulation Resistance and Polarization Index (IRAPI™) 2. Winding Resistance & Turns Ratio (for CT/PT) 3. Tan Delta and Tip Up test 4. Online/offline Partial Discharge Measurement (Wherever possible, Offline testing is recommended) D. Cable Testing & Diagnostic Services. 1. Insulation Resistance & Polarization Index 2. Very Low Frequency (VLF) Testing: 3. Dissipation Factor (DF) or Tan Delta (TD) 4. Partial Discharge (PD) Measurement E. Cable Fault Location and Ground Survey Van (FLAGS™) In absence of CBM, the power or control cable fAYTs without any notice. To find the fault is a very tedious job and requires a lot of tools and combination of tools and expertise to locate the fault in the cable. Precise fault location can save a lot of money and can reduce the down time for the customers and the power could be restored within the shortest possible time. It is important to know, before excavation of any corridor for laying the new cable or any utility pipes, the exact location of the existing cable or utility pipes to avoid any damage and loss of revenue and supply of power or water, gas etc. AYT has the capability to do the Ground Survey to find out such existing utility systems. To provide efficient Fault Location and Ground Survey (FLAGS™), AYT has the latest Cable Fault Location Equipment assembled in a Van which is mobile and can be at customer site. It can find out any kind of Cable Fault. The operators are fully trained to handle such equipments and problems.

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