Industrial Supply & OEM Trading Division

High-Voltage Substation Equipment & Power Plant Spares

Direct authorized indenting, supply, and nationwide distribution of high-voltage transmission substation equipment, protection switchgear, turbine capital parts, and transformer maintenance components engineered for Bangladesh's energy sector.

132kV / 33kV
High-Voltage Substation Apparatus
100% Tested
IEC / IEEE / PGCB Standard Compliance
Turbine & Plant
Capital Blades, Bearings & Valves
Rapid Delivery
Warehouse Stock & Global OEM Indenting
Section 01

Primary Substation Equipment & Switchgear

Heavy power handling equipment conforming to BPDB, PGCB, and BREB technical specifications.

Power & Distribution Transformers

Step-up and step-down substation power transformers ranging from 10/14MVA to 80/120MVA (132/33kV) and 33/11kV distribution units. Fitted with automated On-Load Tap Changers (OLTC), Buchholz relays, and oil level temperature sensors.

Ratings: 33/11kV, 132/33kV, 230/132kV
Standards: IEC 60076, IEEE C57
Cooling: ONAN / ONAF / OFAF
PGCB/BREB Spec RFQ

Switchgears (HT & LT Panels)

Indoor and outdoor metal-clad HT switchgear panels (33kV & 11kV) and Low-Tension (LT) distribution boards. Equipped with vacuum circuit breakers (VCB), SF6 breakers, copper busbars, and motorized withdrawable racking mechanisms.

Voltage: 33kV, 11kV, 0.415kV
Breaking Cap: Up to 31.5kA / 3 sec
Protection: IP4X / IP54 Rated Enclosure
Fully Type-Tested RFQ

Control Relay Panels (CRP)

Simplex and duplex control relay panels engineered with microprocessor-based numerical protection relays, trip circuit supervision, synchronizing instrumentation, annunciators, and SCADA IEC 61850 communication protocol integration.

Protocol: IEC 61850 / Modbus / DNP3
Relay Makes: ABB, Siemens, Schneider
Features: Distance, Diff & O/C Earth Fault
Automation Ready RFQ

Potential Transformers (PT / VT)

High-precision outdoor inductive voltage transformers and capacitive voltage transformers (CVT) designed for billing metering and high-voltage grid protection systems with hermetically sealed expansion bellows.

Voltage Class: 33kV, 132kV, 230kV
Accuracy Class: 0.2, 0.2S, 3P, 6P
Insulation: Oil-Impregnated Paper / Resin
High Precision RFQ

Current Transformers (CT)

Single-phase outdoor oil-immersed and epoxy-cast indoor current transformers engineered for heavy fault currents. Configured with dedicated metering and multi-core protection classes (5P20, PS class) for differential protection.

Current Ratio: Up to 3000/5A or 1A
Dynamic Withstand: Up to 63kA peak
Application: Revenue & Busbar Protection
Multi-Core Certified RFQ

Disconnecting / Disconnected Switch (DS/ES) & Isolators

Horizontal center-break, double-break, and vertical-break outdoor gang-operated isolator switches with integral earthing switches (ES). Complete with motorized operating mechanisms and mechanical interlocks for safety isolation.

Voltage: 33kV, 132kV, 230kV
Rated Current: 1250A to 3150A
Operation: Motorized & Manual Override
Interlocked Safety RFQ
Section 02

Grid Protection, Capacitance & Structural Hardware

Heavy-duty surge suppression, power factor correction, galvanized steel gantries, and cable protection products.

Power Factor Improvement (PFI Panel / PFI Panels)

Automated multi-stage capacitor banks fitted with detuned harmonic filter reactors, microprocessor reactive power controllers, high-speed switching contactors, and temperature-controlled internal ventilation fans.

Capacity: 100 kVAR to 2400 kVAR
Harmonics: 7% & 14% Detuned Reactors
Target PF: Maintain 0.98+ Lagging
Energy Saving RFQ

Surge Arresters & Post Insulators (Polymer / Porcelain)

Gapless metal-oxide (ZnO) station-class surge arresters with polymer or porcelain housings. Engineered for high energy absorption against lightning strokes and switching overvoltages. Supplied with surge counters and leakage ammeters.

Voltage: 11kV, 33kV, 132kV, 230kV
Discharge: 10kA & 20kA Class
Features: Polymer Housing & Surge Counter
High Energy Class RFQ

Galvanized Steel Structures & Cable Trays

Heavy lattice towers, gantry beams, and equipment support structures fabricated to ASTM A123 hot-dip galvanized standards. Complete with perforated and ladder-type heavy-duty galvanized cable trays, covers, and unistrut brackets.

Zinc Coating: ≥ 610 g/m² (ASTM A123)
Cable Trays: Perforated & Ladder Type
Design: Wind load & short-circuit withstand
Hot-Dip Galvanized RFQ

Precast Cable Protection Slabs

High-density interlocking reinforced concrete (RCC) cable protection slabs manufactured in our dedicated facility. Fully compliant with DPDC and PGCB high-voltage underground transmission specifications with engraved danger warnings.

Strength: Cylinder Compressive > 30 MPa
Features: Heavy interlocking lugs & hooks
Application: 132kV, 33kV & 11kV Lines
DPDC/PGCB Approved RFQ

XLPE Cables & Termination Kits

High-voltage XLPE insulated copper cables (132kV, 33kV, 11kV) and cold-shrink / heat-shrink cable jointing kits, straight-through joints, indoor and outdoor terminations, bimetallic lugs, and stress-control sleeves.

Voltage: 11kV, 33kV, 132kV
Technology: Cold-Shrink & Heat-Shrink
Components: Shear-bolt lugs & joint boxes
CENELEC HD 629.1 RFQ

110V DC Substation Battery & Chargers

Industrial VRLA / Ni-Cd substation battery banks paired with dual-redundant SCR/Thyristor float-cum-boost battery charger cubicles for continuous, uninterruptible trip circuit and SCADA control power during blackouts.

Chemistry: VRLA Gel & Ni-Cd Pocket Plate
Voltage: 110V DC (100Ah to 600Ah)
Charger: Dual Float / Boost SCR Cubicle
Zero-Interruption RFQ
Section 03

Power Plant Capital Spares & Substation Consumables

Critical rotating turbine components, high-temperature seals, SF6 gas, and transformer overhaul parts.

Thermal & Gas Turbine Power Plant Spares

Heavy Rotation & High-Temperature Alloys
Turbine Rotating Capital Parts

High-Pressure Turbine (HPT) and Low-Pressure Turbine (LPT) rotating blades, stationary nozzles, shrouds, and diaphragm assemblies fabricated from superalloy materials.

Bearings & Labyrinth Packing

Steam/gas turbine labyrinth shaft packing segments, plain journal bearings, tilting-pad sleeve bearings, lash adjusters, and wear rings with babbit lining.

High-Pressure Pumps & Control Valves

Boiler feed pumps, generator lube oil pressure regulating valves, pilot solenoid valves, non-return check valves, and high-pressure steam bypass systems.

Combustion & Electrical Controls

Thyristor power semiconductor stacks, UV/IR optical flame detectors, high-energy spark ignitors, magnetic speed sensors, and flue gas damper actuators.

Custom Sourcing for ABB, GE, Siemens, Hitachi Inquire Turbine Spares

Substation & Transformer Overhaul Spares

Routine Maintenance & Capital Overhaul
Transformer Bushings (33kV, 11.5kV & 132kV)

High-voltage porcelain and oil-impregnated paper (OIP) / resin-impregnated synthetic bushings with high creepage distances suited for contaminated industrial environments.

On-Load Tap Changer (OLTC) Spares

Moving and fixed silver-plated copper contacts, transition resistors, motorized driving gearboxes, tap position transmitters, and diverter switch components.

Insulating Mineral Oil & Breathers

Uninhibited and inhibited virgin mineral insulating oils meeting IEC 60296 with BDV > 70 kV, silica gel dehydrating breathers, and oil level/temperature gauge assemblies.

SF6 Gas & Circuit Breaker Spares

Pressurized cylinders of 99.9% pure SF6 gas conforming to DIN 3188, molecular sieve moisture filter bags, complete breaker pole units, closing/trip coils, spring charge motor, and auxiliary contacts.

Immediate Despatch for Scheduled Outages Inquire Substation Spares