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Calculations

SpecSizer: Streamlining Generator Set Selection

SpecSizer: Streamlining Generator Set Selection

Jul 19, 2026 · 3 min read

Specifying the correct generator set for a project is a critical engineering task. An undersized genset may fail to support critical loads, while an oversized unit leads to unnecessary capital expenditure, inefficient operation, and higher maintenance costs. Finding the optimal balance requires analyzing site…

Cloud-Based Tool for Electrical Network Design

Cloud-Based Tool for Electrical Network Design

Jul 19, 2026 · 4 min read

Designing an electrical distribution network is a complex task. Electrical engineers, panel builders, and consultants must navigate a maze of standards, perform detailed calculations, and ensure the correct selection and coordination of protection devices, all while managing tight project timelines. The traditional…

Power Suite A Comprehensive Digital Ecosystem for Power Generation Professionals

Power Suite A Comprehensive Digital Ecosystem for Power Generation Professionals

Jul 19, 2026 · 5 min read

The design and specification of power generation systems is a complex, multi-faceted engineering challenge. It requires precise calculations for equipment sizing, careful selection of components, and access to a vast library of technical data. For specifying engineers, contractors, and consultants, having the right…

Mastering Power Factor Correction: A Comprehensive Guide to Power Quality

Mastering Power Factor Correction: A Comprehensive Guide to Power Quality

Jul 19, 2026 · 7 min read

In modern electrical installations, power quality is not just a technical concern—it is a financial and operational imperative. Poor power factor leads to higher energy costs, reduced system capacity, increased losses, and potential penalties from utility companies. For engineers, facility managers, and electrical…

Short-Circuit Calculations for Building Electrical Distribution: A Practical Guide

Short-Circuit Calculations for Building Electrical Distribution: A Practical Guide

Jul 19, 2026 · 5 min read

Short-circuit calculations are a fundamental requirement for designing safe and reliable building electrical distribution systems. They directly impact the selection of protective devices, the short-circuit current rating (SCCR) of equipment, and the overall safety of the installation. For building designers and…

Streamline Your Motor and Drive Selection with ABB DriveSize

Streamline Your Motor and Drive Selection with ABB DriveSize

Jul 19, 2026 · 3 min read

Selecting the right motor, drive, and transformer for an industrial application is a critical engineering task. An undersized system can lead to failures and downtime, while an oversized one wastes energy and increases costs. To address this challenge, ABB offers DriveSize, a free and powerful software tool designed…

Single-line diagram of a medium voltage protection scheme with relay and substation connections

Protection Criteria for Medium Voltage Networks

Jul 17, 2026 · 6 min read

Designing a reliable and safe medium voltage (MV) distribution network requires a deep understanding of fault currents, network configurations, and the protection systems that safeguard both equipment and personnel. ABB’s technical guide, "Protection Criteria for Medium Voltage Networks," is an essential resource for…

A monitor displaying the SIMARIS software toolbox icons

The SIMARIS Suite: A Free Power Distribution Planning Ecosystem from Siemens

Jul 17, 2026 · 2 min read

For electrical engineers and consultants, planning a power distribution system is a complex task requiring careful consideration of network dimensioning, equipment selection, and regulatory compliance. Siemens addresses this challenge with the SIMARIS Suite, a comprehensive and free set of planning tools designed to…

CableApp shown running on a desktop monitor, laptop, and mobile phone

CableApp: Free Professional Cable Sizing Tool from Prysmian

Jul 17, 2026 · 3 min read

Correctly sizing electrical cables is a fundamental task in building services engineering. An undersized cable leads to overheating, voltage drops, and potential fire hazards, while an oversized cable results in unnecessary capital expenditure. To address this challenge, Prysmian Group, a world leader in the cable…

A technician installing Eaton Bussmann series overcurrent protection devices in a panel

Overcurrent Protection Handbook: Bussmann Series SPD

Jul 17, 2026 · 4 min read

Overcurrent protection is the cornerstone of electrical safety in any building. The correct selection and application of protective devices ensures not only the safety of personnel but also the reliability of the electrical system and the protection of valuable equipment. Eaton’s Bussmann series Selecting Protective…

Hand using a mouse at a computer desk

Free Solar PV String Sizing Tool: FIMER String Sizer

Jul 17, 2026 · 3 min read

Designing a photovoltaic (PV) system requires careful calculation to ensure that the solar panels and inverter are perfectly matched. One of the most critical steps is determining the correct string size — the number of solar panels connected in series to an inverter’s MPPT (Maximum Power Point Tracking) input. An…