Prayog Electricals PVT LTD.

Current Transformer (CT)- CAST RESIN

We cover practically all possible combinations of ratios, burdens, accuracy classes and voltages up to and including 36 kV indoor and outdoor (with special Resin) type.

Applicable Standard

Voltage Transformer (VT/PT)- CAST RESIN

We cover practically all combinations of ratios, burdens, accuracy classes and voltages up to 36kV.

Applicable Standard

Neutral Grounding/Earthing Transformers (NGT/ET)-CAST RESIN

  • Range: 36kV, 200KVA.
  • Connections: 3PH, ZigZAG & 3PH Star Delta.

Applicable Standard

Technical Specification

Age
Reference Standard BIS, BS, IEC, IEEE
Voltage Class 36kV
Test Voltage 70kV RMS & 170 kVp
Rated Primary Voltage 23500V
Rated Secondary Voltage 500V
Insulation Class A, B, F,H,C
Frequency 50 Hz & 60Hz

Dry Type Transformer and Windings/Coils Set (CRT/VPI)

We design, manufacture, inspect, test, pack and deliver product as per customer demand. We offer an extensive Range of..

  • Coil Set (VPI/CRT)
  • Core Coil Assembly for DT-CCA (VPI/CRT)
  • Core Coil Assembly for NGT (CRT)
  • Alternatively, we also undertake jobs as per customer design and drawings.

Technical Specification

Age
Ratings Upto 3150KVA
Voltage Class 36kV
Frequency 50Hz & 60Hz
No of Phase Single & Three Phase
Cooling AN/AF
Vector Group As Per Customers Requirement
Winding Strip/Foil
Material Aluminium/Copper
Tappings OCTC OCTL
Insulation Class F, H, C
Applicable Standard IEC 60076 Part-11/BIS 2026 Part-11
Losses and Efficiency As per IEC 60076 Part-20/ECBC NORMS 2017
Resin System Compliance E2 C2 FI as per IEC 60076 part-11
Protection IP:00

Oil Surge And Gas Operated Relay (Buchholz Relay)

  • Unique proprietary connection bushing to ease out connections at site. It can accommodate 3 switches of NO/NC like Alarm, Trip, Scada signal or 2 switches of change over type.
  • Reliable, time-tested magnetic reed switch of various ratings.
  •  Unique internal design to prevent falls alarm due to air traps on top of the relay.
  • Anti-vibration mounting pads to give high stability against mechanical shocks and vibrations.

High Voltage Test Set (HiPot Tester)

Oil/Liquids Breakdown voltage Test Set (BDV)

Solid State Earth Leakage Relay with CBCT (ELR)

  • Earth Leakage Relays are used to detect potentially dangerous earth leakage fault currents & isolate the load by tripping the relay before they cause any hazard.

Applicable Standard

Technical Specification

Age
Relay Setting 50mA to 5Amp.
Times Setting 0.1 Secs to 5 Secs.
Auxiliary Voltage 110/220/440/550 Volts
Auxiliary Contact 1 or 2 C/O Contacts
CBCT Diameter 40mm to 400mm and as per customers requirement

Aqua Welder

  • Portable and compact Oxy-Hydrogen flame welder.
  • Non-toxic, low-pressure flame.
  • No bulky storage for gas cylinder.
  • Safest as total elimination of explosive hazard.
  • Environment friendly as water is only by-product.
  • Versatile to accommodate various sizes by adjusting flame.
  • Cost-effective, the only consumables are electricity, distilled water and methyl.