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Tag: Design

AS / Design / IEC / NFPA / PEC / Standards

Understanding the Difference Between Codes and Standards

In the field of electrical engineering, the terms Code and Standard are frequently used—often interchangeably by those unfamiliar with their precise roles. However, understanding the difference between these two is …

Design / Protection

Core Balance Current Transformer – Applications, Alternatives and Standards

1. Introduction Core Balance Current Transformers (CBCT) are pivotal components in Electrical Engineering, commonly used in the detection of ground faults in power systems. Unlike conventional current transformers, CBCTs are …

Design

Choosing the Right Transformer Cooling: ONAN vs. KNAN

Where reliability and safety are paramount in a power system, selecting the right transformer cooling method can have a significant impact on performance, maintenance, and long-term costs. Two commonly used …

Design / Protection

Protection and Backup Protection for High Voltage Cables

1. Introduction High voltage (HV) cable protection is critical to ensure reliability and safety in power transmission systems. The primary protection scheme for HV cables is current differential protection (87L), …

Design / Standards

Technical Comparison of Air-Insulated Switchgear (AIS) and Gas-Insulated Switchgear (GIS)

1. Introduction The selection of appropriate switchgear is crucial for power system reliability, safety, and efficiency. Air-Insulated Switchgear (AIS) and Gas-Insulated Switchgear (GIS) are two predominant technologies used in electrical …

Design / PV Systems

Optimizing Earth Fault Detection for a 100MW PV and Ni-Cd BESS System

In a large-scale 100MW photovoltaic (PV) system with a Ni-Cd battery energy storage system (BESS) operating at medium voltage, detecting earth faults early is crucial for maintaining reliability, safety, and …

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