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Electrical Load Calculator & Substation Sizing Tool

Interactive electrical load schedule and substation equipment sizing calculator. Compute connected load (kW), monthly energy consumption (kWh), and determine required Distribution Transformer capacity (kVA), Main LT Switchgear (Amperes), and PFI Capacitor Bank rating (kVAR) under Bangladesh National Building Code (BNBC) standards.

Utility Sanction Threshold

> 50 kW

Mandatory 11kV Substation under DESCO / BREB / BPDB electricity service rules.

Quick Sizing Profiles

Populate standard Bangladesh utility load schedules with one click:

Industrial / Factory Load Schedule

Manufacturing plants, textile & RMG mills, steel fabrication, plastics, and processing factories.

Electrical Equipment Rating (W) Qty Daily (Hr) Days/Mo Total Load Monthly (kWh)
Category Subtotal: 0.00 kW 0.00 kWh
Engineering Note: Default wattages align with DESCO & BREB technical sanction ratings. You can edit individual wattage values to match your specific machinery nameplates.
Pacific Powertech

Substation Sizing Summary

Calculated per IEC 60076 & BNBC 2020 Part 8 Chapter 2

Connected Load

Sum of all active appliances

0.00 kW

0 W

0.80
0.50 (Low Coincidence) 0.80 (Standard) 1.00 (Continuous Max)
Estimated Peak Demand

Connected kW × Diversity Factor

0.00 kW
Transformer Capacity 80% Continuous Limit
Calculated Required: 0.0 kVA
Recommended PPTL Rating: -- kVA

View Pacific Powertech Oil-Immersed / Dry Type Transformers →

Main LT Switchgear (Incomer)
Full Load Current (415V): 0.0 A
Recommended Breaker: -- A

View PPTL ACB & MCCB Low Voltage Switchgear Panels →

Power Factor Improvement (PFI)
Correction (0.80 → 0.98): 0.0 kVAR
Recommended PFI Bank: -- kVAR

View Microprocessor-Controlled PFI Plants →

Monthly Consumption

Total estimated energy

0.00 kWh
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Request Pacific Powertech Substation Specifications

Download detailed technical drawings, loss schedules, and switchgear dimensions for all 100 kVA to 3000 kVA substation packages.

Technology & Component Brands

Current industrial brands specified across power distribution, switchgear and automation systems.