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SWITCHPRO SOLUTIONS
'Service Is Never Ending Activity'

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varroc-group_owler_20190813_181640_original

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L eading  Service,  Solutions For 0.440 kV - 765kV

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SwitchYard  Equipments  	 Power Transformers. 	 Switchgear. 	 Protection Relay.  	 Instrument Transformer.  	Isolators Installation. 	 Retrofitting up to  245 kV on behalf of various makes.

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POWER TRANSFORMER  :  INTER  CONNECTING  TRANSFORMER  :  GENERATOR  TRANSFORMER   Low Voltage Test… 1.Voltage  Ratio  Measurement.	    2.Turns  Ratio  Measurement.  				 3.Magnetic  Balance  Test.		    4.Open  Circuit  (Magnetizing  Current Measurement) 5.Short  Circuit Current Measurement.  6.Vector  Group Verification . 7.OLTC  Continuity Test.   High Voltage Test … 1. 10  KV Excitation Current  Measurement.	2. 10  KV Turn Ratio Measurement.

SwitchYard  Testing ( Up To 765 KV AIS/GIS )

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POWER TRANSFORMER  :  INTER  CONNECTING  TRANSFORMER  :  GENERATOR  TRANSFORMER   DC Test… 1.Winding Resistance Measurement. 2.Insulation Resistance / Polarization Index Measurement.   Diagnostic Testing and Analysis… 1.Sweep Frequency Response Analysis (SFRA) 2.Dielectric Frequency Response Analysis(DFRA) 3.Capacitance & Dissipation Factor (Tan-Delta) Measurement. 4.On Line Partial Discharge Measurement .

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INSTRUMENT   TRANSFORMER    (CT /PT /CVT   &   CC)   Routine  Test… 1.Ratio  Test Measurement (Current/Voltage  Method) 2.Polarity Test. 3.Excitation  (Saturation),  Test. 4.Insulation Resistance Measurement. 5.Winding  Resistance Test.    Diagnostic Testing and Analysis… 1.Capacitance  & Dissipation Factor (Tan-Delta) Measurement . 2.On  Line Partial Discharge Measurement.

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MV / HV CABLE TESTING AC / DC  High Voltage Test  up to  220  kV VLF High Voltage Test, Tan Delta & Partial Discharge Measurement . Insulation Resistance / Polarization Index Measurement . Cable Fault Localisation/ Cable Route Tracing.

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CIRCUIT  BREAKER  TESTING D ynamic  Contact Resistance Measurement with Travel & Velocity Measurement . Contact Resistance Measurement . Timing Measurement Test . Dew Point Measurement for SF6 Circuit Breaker.  VIDAR Test for Vacuum Interrupter . High Voltage Test.  Insulation Resistance Measurement.

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LIGHTENING ARRESTOR Capacitance  & Dissipation Factor (Tan-Delta) Measurement. Online  Leakage Current Measurement. Leakage  Current Counter Test. Insulation  Resistance Measurement.

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ISOLATORS Contact Resistance Measurement. Insulation Resistance Measurement.     EARTH PIT Earth  Resistance Measurement.   PROTECTION RELAYS Testing & Calibration of Protective Relays. Programming & Parameterization of Numerical Relays. Relay Coordination & Setting Calculations. L&T Make ACB Microprocessor Based Relay Testing.

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Transformer Diff & REF Stability Test .   EHV Bus Bar Stability Test.   CT Core Confirmation through Primary Current Injection.   PT Selection Scheme Check by 3 Phase Voltage Setup.   Function Check of Transformer Auxiliary Protection.   Circuit Breaker Commissioning   (  Siemens / GE / CGL / ABB  as per  manufacturer  Standards .)   Switchyard Schematic Drawing and Cable Schedule as build as per Standard.

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CONTROL & RELAY PANEL Retrofitting & Troubleshooting ( up to 245 kV ) Preparation of Schematic Drawings. Supply of Products for Control & Relay Panel. SWITCHYARD  Pre-Monsoon  Maintenance Activity’s.    Equipment Offline Water Washing & Cleaning by High Pressure  System. Equipment  Offline Painting Through  Compressor.

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CIRCUIT BREAKER ( Up to 245 kV ) Retrofitting. Preventive Maintenance. Troubleshooting ,  Servicing. Complete Solutions and Service of VCB Pole  Assembly. Supply of  Spares.

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ISOLATORS   Retrofitting. Preventive Maintenance. Troubleshooting. Servicing. Overhauling. Isolator Gang Operation Alignment . Electrically Operation Troubleshooting.

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Rishik Apt., Block- 01, Mahalaxmi Nagar,
Adgaon Shivar, Nashik-422003, MH, India
+91-253-2303113, +91 9623163646
contact@switchprosolutions.com
www.switchprosolutions.com

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