Learn how distribution transformers bridge medium-voltage feeders and end-use equipment, ensuring stable voltage through strategic placement,…
Learn how distribution transformers bridge medium-voltage feeders and end-use equipment, ensuring stable voltage through strategic placement,…
Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common…
Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common causes of outages, and…
Learn how modern substation commissioning extends beyond plant checks to verify SCADA, comms, cybersecurity, and data…
Learn how modern substation commissioning extends beyond plant checks to verify SCADA, comms, cybersecurity, and data integrity for safe operation…
This article compares gas-insulated (GIS) and air-insulated substations (AIS), outlining their design principles,…
This article compares gas-insulated (GIS) and air-insulated substations (AIS), outlining their design principles, performance characteristics, and…
This article walks through pre‑commissioning inspections and electrical tests commonly used in utility and industrial…
This article walks through pre‑commissioning inspections and electrical tests commonly used in utility and industrial substations, translating…
Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold…
Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold (pre-energization), and hot…
Learn how smart substations can leverage IEC 61850 and CIM for data flow. Advanced analytics and machine learning (ML)…
Learn how smart substations can leverage IEC 61850 and CIM for data flow. Advanced analytics and machine learning (ML) can turn high-res data into…
In the final part of this series, we examine substation design practices for managing two critical issues: oil…
In the final part of this series, we examine substation design practices for managing two critical issues: oil containment and noise control.
In this new article series, we look at substation design and layout planning, starting here with early stage choices and…
In this new article series, we look at substation design and layout planning, starting here with early stage choices and physical layout.
This article provides developers with step-by-step guidance in qualifying new electrical products for safety compliance…
This article provides developers with step-by-step guidance in qualifying new electrical products for safety compliance certification.
This article provides an overview of transmission line towers, covering their structural designs, functional…
This article provides an overview of transmission line towers, covering their structural designs, functional classifications, mechanical loading…
Learn to locate the controller and local motor disconnecting means in a motor branch circuit.
Learn to locate the controller and local motor disconnecting means in a motor branch circuit.
Learn about the NEC requirements for motor control centers.
Learn about the NEC requirements for motor control centers.
Learn how to protect motor feeders and other loads against short circuits and ground faults.
Learn how to protect motor feeders and other loads against short circuits and ground faults.
Protecting individual and group motor branch circuits against short circuits and ground faults is essential. Learn how here.
Protecting individual and group motor branch circuits against short circuits and ground faults is essential. Learn how here.
Learn the rules for sizing overload protection for motors above 1 hp.
Learn the rules for sizing overload protection for motors above 1 hp.
Learn to compute the ampacity and size of circuit conductors for motors rated 1 kV or less.
Learn to compute the ampacity and size of circuit conductors for motors rated 1 kV or less.
Learn what motor and multi-motor equipment markings required by the National Electrical Code mean.
Learn what motor and multi-motor equipment markings required by the National Electrical Code mean.
Learn about how the ground compares and contrasts with the neutral wire and why this wiring is important for safety in…
Learn about how the ground compares and contrasts with the neutral wire and why this wiring is important for safety in control cabinets and other…
Learn about limiting the available ground-fault current and how to ground equipment above 1 kV.
Learn about limiting the available ground-fault current and how to ground equipment above 1 kV.
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