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WAPDA DDS-84 & IEC 60076 · HEAVY POWER SUBSTATION EPC

2000 kVA Transformer in Pakistan (2 MVA) — Price, Specs & Turnkey Supply

The 2000 kVA (2 MVA) power transformer is an industrial heavyweight engineered for massive textile spinning and denim weaving mills (20,000+ spindles), large commercial shopping malls, continuous paper board manufacturing plants, and beverage bottling complexes in Pakistan. Delivering an immense 2,782.4 Amperes of low-voltage secondary current at 415V three-phase, this unit delivers high thermal stamina, robust short-circuit withstand capability, and low copper losses under continuous 24/7 heavy industrial operation.

Rated LV Current 2,782.4 A
Rated HV Current 105.0 A
Full Load Efficiency 98.8%
Impedance (%Z) 5.5% - 6.0%
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2000 kVA (2 MVA Power Substation) Unit Blueprint TL-2000KVA-IEC60076
2000 kVA POWER 2,782.4 A
✓ Prime Electrolytic Copper: 1,850 kg active copper with reinforced electrodynamic clamping.
✓ High Dielectric Oil: 2,400 Liters of Class-I mineral oil tested above 60 kV BDV.
✓ Grid Protection Integration: Buchholz relay, PRD, and RTD temperature sensors included.
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⚡ Compare Capacity Ratings:
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Commercial Transparency

2000 kVA Transformer Price in Pakistan (2 MVA Power Substation) — Key Cost Factors

Commercial pricing for a 2000 kVA (2 MVA Power Substation) transformer in Pakistan is dictated by raw engineering commodities and technical configurations rather than an arbitrary sticker price. Here is how your commercial proposal is structured:

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Winding Conductor Purity

Prime 99.99% Electrolytic Copper provides maximum conductivity, lower I²R losses, and longer service life (25-30 years). EC Grade Aluminium windings provide a lower initial cost option for budget-sensitive seasonal agricultural projects.

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Dielectric Oil vs. Dry-Type

Standard mineral oil-immersed (ONAN) with 2,400 Liters of Class-I inhibited oil is optimal for outdoor substations. Cast resin dry-type (AN/AF) is required for indoor commercial basements where fire regulations strictly prohibit oil.

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Tap Changer Mechanism

Standard units include a 5-position Off-Circuit Tap Changer (OCTC: ±2.5%, ±5%) for seasonal grid adjustment. On-Load Tap Changers (OLTC) with automatic voltage regulating relays are available for sensitive manufacturing loads.

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New vs. Certified Overhauled

TransfoLine manufactures brand-new units (with 18-month guarantee) and supplies thoroughly overhauled certified reconditioned units (with 12-month replacement warranty) providing 40% to 50% capital expenditure savings.

2000 kVA (2 MVA Power Substation) Commercial Summary

A 2000 kVA (2 MVA) power transformer represents a substantial capital investment for industrial facilities in Pakistan. Commercial pricing is governed by over 1,850 kg of pure 99.99% electrolytic copper, 2,400 liters of Class-I mineral oil, high-permeability laser-scribed CRGO core steel, and accredited high-voltage laboratory testing under WAPDA DDS-84 and IEC 60076. TransfoLine supplies brand-new 2 MVA units (18-month warranty) and certified reconditioned 2 MVA units (12-month warranty) with 40% to 50% capital savings and immediate dispatch from our Lahore yard.

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Engineering Datasheet

2000 kVA (2 MVA Power Substation) Technical Specifications (WAPDA DDS-84 & IEC 60076)

Complete electrical, mechanical, and protection coordination data for electrical consulting engineers and DISCO inspection officers:

Technical Parameter Design Value / Rating Standard & Engineering Notes
Nominal Power Rating 2000 kVA (2 MVA Power Substation) (1,600 kW (at 0.8 PF)) Continuous maximum rating at 50°C ambient temperature
Primary High Voltage (HV) 11,000 Volts (11 kV) / 33 kV / 132 kV 3-Phase, 3-Wire delta configuration (or customized)
Secondary Low Voltage (LV) 415 Volts (Line-Line) / 240 Volts (Line-Neutral) 3-Phase, 4-Wire star configuration with neutral bushing
Rated Secondary Current (LV) 2,782.4 A Continuous full load current at 415V secondary
Rated Primary Current (HV) 105.0 A Continuous full load current on 11 kV grid side
System Frequency 50 Hz ±5% WAPDA / NTDC National Grid synchronized
Vector Group Dyn11 / YNd11 Delta HV / Star LV with 30° phase lag neutral
Cooling Designation ONAN / ONAF / OFWF Thermosiphon circulation through radiator banks (forced cooling available)
Percentage Impedance (%Z) 5.5% - 6.0% Guaranteed within ±10% IEC tolerance at 75°C reference
No-Load Losses (Iron Losses) 2,800 Watts Measured at rated voltage and frequency (CRGO core)
Full-Load Losses (Copper Losses) 18,000 Watts Measured at rated current at 75°C reference temperature
Transformer Mineral Oil Volume 2,400 Liters Uninhibited Class-I mineral oil (BDV > 60 kV fresh)
Total Weight (with Oil & Fittings) 6,800 kg (6.8 Tons) Active copper winding weight: 1,850 kg
Overall Physical Dimensions 2,650 mm (L) × 1,850 mm (W) × 2,650 mm (H) Overall clearance footprint including radiators and conservator
Recommended HT Protection Switchgear 11kV Vacuum Circuit Breaker (VCB) Panel with Numerical Relays 11kV Vacuum Circuit Breaker with IDMT and Differential Relays
Recommended LT Main Circuit Breaker 3200A 4-Pole Air Circuit Breaker (ACB) with LSIG Trip Microprocessor-based electronic LSIG trip unit coordination
Recommended Low Voltage Cabling / Busway Copper Busbar Trunking (BBT) or 6 Runs of 3.5 Core 300mm² Cu / XLPE Copper Busbar Trunking (BBT) system sized for heavy current
Civil Foundation Mounting Dedicated Outdoor Substation Bay with Heavy Reinforced Plinth & Oil Sump A 2000 kVA (2 MVA) substation is classified under DISCO B-3 / B-4 industrial tariff. DISCO regulations (LESCO, FESCO, GEPCO, IESCO, MEPCO, KE) mandate a formal 11kV incoming Vacuum Circuit Breaker (VCB) panel with microprocessor overcurrent and earth-fault protection relays, dual copper grounding grids (<0.5 Ohm), safety interlocks, and a 3200A Air Circuit Breaker (ACB).
Industrial Applications

Where is a 2000 kVA (2 MVA Power Substation) Transformer Deployed in Pakistan?

Real-world application engineering scenarios across Pakistani manufacturing complexes, commercial hubs, and industrial zones:

Textile Spinning & Denim Weaving Complexes (20,000+ Spindles)

1,300 to 1,600 kW Continuous Industrial Motive Load

Powers continuous ring frames, open-end rotor spinning machines, heavy sizing ranges, high-speed air-jet looms, and large industrial air washer compressor rooms in Faisalabad, Sheikhupura, and Nooriabad.

  • Robust electrodynamic short-circuit bracing
  • Buchholz relay, magnetic oil gauge, and dial thermometer with trip contacts
  • Heavy-duty radiators ensuring top oil temperature rise <50°C

Continuous Paper & Board Packaging Mills

1,200 to 1,550 kW Heavy Motive Power

High starting torque support for large hydrapulpers, refiners, vacuum couch roll pumps, multi-cylinder paper drying drives, and calender stacks in Gujranwala and Kotri.

  • High harmonic tolerance against multi-drive VFDs
  • Off-circuit tap changer (OCTC: ±2.5%, ±5%) or On-Load Tap Changer (OLTC)
  • Full routine test certificates compliant with IEC 60076

2 MW Commercial Solar EPC Grid Interconnection

Up to 1,600-2,000 kW Solar Inverter Export Capacity

Serves as the central step-up substation transformer stepping up 415V/690V solar inverter output to 11kV for DISCO bidirectional net metering (NEPRA B-3/B-4 regulations).

  • Electrostatic shielding between HV and LV windings
  • Low impedance voltage regulation under shifting irradiance
  • Full compliance with NEPRA grid synchronization standards
Quality Assurance

Testing Protocols & DISCO Grid Energization Approval

Every TransfoLine 2000 kVA (2 MVA Power Substation) transformer undergoes stringent factory routine testing before dispatch to ensure 100% first-time approval during DISCO departmental inspection:

Mandatory Routine Tests Lab Certified

Insulation Resistance (Megger Test) Tested at 2500V DC (HV-LV, HV-Earth, LV-Earth) ensuring insulation values exceed 2,000 Mega-Ohms.
Winding DC Resistance Measurement Measured across all primary tap positions and secondary phases using Kelvin bridge for balance verification.
Voltage Ratio & Vector Group Verification Confirming exact transformation ratio and Dyn11/YNd11 phase shift.
Oil Dielectric Breakdown Voltage (BDV) Verified with 2.5mm sphere gap electrode test exceeding 60 kV fresh.
Separate Source AC Withstand Test HV winding tested at 28 kV AC (or 230kV AC for 132kV units) for 60 seconds.

DISCO Inspection & NOC Process Turnkey Assistance

B-3 / B-4 Load Sanctioning File Preparation Preparation of single line diagrams (SLD), protection coordination studies, and tariff change applications.
Substation Civil Pad Inspection Verification of concrete foundation dimensions, gravel oil-sump, and earth pit clearance distances.
Dual Earth Pit Verification (<0.5 Ohm) Separate copper grounding grid for transformer tank body, neutral star point, and lightning arrestors.
Departmental Testing & Meter Sealing Witnessing of testing by DISCO M&T (Metering & Testing) engineers and installation of bidirectional TOD meters.
Direct Quotation

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Specify your factory or substation parameters. Our high-voltage estimation team will calculate your feeder requirements and deliver an itemized quotation within 2 business hours.

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Technical Clarifications

2000 kVA (2 MVA Power Substation) Transformer Technical & Procurement FAQ

Direct engineering answers to frequently asked questions about purchasing, installing, and maintaining a 2000 kVA (2 MVA Power Substation) transformer in Pakistan:

What is the full load current of a 2000 kVA (2 MVA) transformer?

At standard 415V three-phase line-to-line, a 2000 kVA (2 MVA) transformer produces 2,782.4 Amperes of low-voltage (LV) full load current: 2,000,000 / (1.732 × 415) = 2,782.4 A. On the 11 kV primary high-voltage side, the rated full load current is 105.0 Amperes.

What main switchgear breaker is needed for a 2000 kVA transformer?

A 3200A 4-Pole Air Circuit Breaker (ACB) with a microprocessor-based trip unit providing adjustable Long-time, Short-time, Instantaneous, and Ground-fault (LSIG) protection is the standard engineering specification. Low-voltage distribution is typically handled via a copper Busbar Trunking (BBT) system or 6 parallel runs of 3.5-core 300mm² XLPE copper cables.

What are the foundation requirements for a 2000 kVA transformer?

A 2000 kVA transformer weighs approximately 6,800 kg (6.8 metric tons). It requires a heavy reinforced concrete foundation plinth (minimum 3000 psi concrete) measuring at least 3,200 mm × 2,400 mm × 450 mm deep, surrounded by an oil-soak gravel pit capable of containing 100% of the 2,400 liters of oil, enclosed by 2.2-meter security chain-link fencing.

What size PFI capacitor bank is required for a 2000 kVA substation?

A 600 kVAR to 750 kVAR automatic Power Factor Improvement (PFI) panel divided into 12 to 16 microprocessor-controlled capacitor stages with 7% detuned harmonic reactors is required to maintain plant power factor above 0.95.

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