Mastering Ct Commissioning And Practical Applications

Do’s and Don’ts while performing the primary injection testing in a substation, Part 01 of 02

What you'll learn

Gain a deep understanding of primary injection testing and its significance

Explore the primary and secondary sides of a current transformer

Familiarize yourself with essential terminology and key concepts used in current transformer commissioning

Learn about current transformer terminal boxes, junction boxes, and local control cubicles for enhanced connectivity and control

Comprehend the current transformer loop and its verification procedure

Unveil the importance of polarity marking in current transformers for accurate connection and measurement

Understand the distinct purposes of protection cores and metering cores within multi-core current transformers

Recognize the role of low voltage compartments and CT loops in medium voltage switchgear

Grasp the relationship between primary and secondary currents through CT ratio analysis

Comprehend the current transformer circuit shorting and grounding facility and its significance in practical applications.

Requirements

Basics of engineering

Description

Welcome to the comprehensive online course on primary injection testing and current transformers! In this course, you will gain valuable insights into the essential concepts, terminology, and practical applications related to current transformers (CTs) and their commissioning in power systems.Led by an experienced Electrical Engineer with over 20 years of expertise in various fields such as operation and maintenance, testing, project management, and commissioning, this course provides a wealth of knowledge for both aspiring and practicing professionals in the electrical industry.The course begins with an introduction to primary injection testing and explores the primary and secondary sides of a current transformer. You will learn about the crucial terminology and key concepts used by Protection Engineers during CT commissioning. Topics covered include the wiring hub for CT secondary connections, dedicated CT panels for enhanced connectivity and control, centralized control and monitoring through Local Control Cubicles (LCC) panels, and the verification procedure for the current transformer loop. Additionally, you will uncover the significance of polarity marking in current transformers to ensure accurate connection and measurement.Moving forward, the course delves into the realm of multi-core current transformers. You will discover the distinct purposes of protection cores and metering cores within CTs, including overload protection, fault detection and clearing, coordination with protective relays, accurate current measurement, power quality monitoring, data logging, and recording. The importance of low voltage compartments and CT loops in medium voltage switchgear will also be elucidated.Understanding the CT ratio and its relationship between primary and secondary currents is a critical aspect of current transformer applications, which will be thoroughly explained in this course. Furthermore, you will gain insights into the current transformer circuit shorting and grounding facility, allowing you to comprehend their significance in practical scenarios.By the end of this course, you will have developed a comprehensive understanding of primary injection testing, current transformers, and their vital roles in power systems. You will possess the knowledge and skills necessary to effectively commission and maintain current transformers, ensuring the accurate and reliable measurement and protection of electrical currents in various applications.Join this course now to embark on a transformative learning journey that will enhance your professional expertise and empower you to excel in the field of current transformers and protection engineering.What Students Will Learn:Gain a deep understanding of primary injection testing and its significanceExplore the primary and secondary sides of a current transformerFamiliarize yourself with essential terminology and key concepts used in current transformer commissioningLearn about current transformer terminal boxes, junction boxes, and local control cubicles for enhanced connectivity and controlComprehend the current transformer loop and its verification procedureUnveil the importance of polarity marking in current transformers for accurate connection and measurementUnderstand the distinct purposes of protection cores and metering cores within multi-core current transformersRecognize the role of low voltage compartments and CT loops in medium voltage switchgearGrasp the relationship between primary and secondary currents through CT ratio analysisComprehend the current transformer circuit shorting and grounding facility and its significance in practical applications.Best Regards

Overview

Section 1: Introduction

Lecture 1 Introduction

Section 2: Primary and secondary sides of the current transformers

Lecture 2 Primary and secondary sides of the current transformers

Section 3: CT Box, CT Panel, LCC Panel, C&P Panels

Lecture 3 CT Box, CT Panel, LCC Panel, C&P Panels

Section 4: Concept of CT Loop

Lecture 4 Concept of CT Loop

Section 5: Polarity Marking of Current Transformer

Lecture 5 Polarity Marking of Current Transformer

Section 6: Determining the direction of current flow

Lecture 6 Determining the direction of current flow

Section 7: Explaination of CT polarity towards bus and line

Lecture 7 Explanation of CT polarity towards bus and line

Section 8: Multi Core and Multi Ratio CTs

Lecture 8 Multi Core and Multi Ratio CTs

Section 9: Distinct Purposes, Protection Cores and Metering Cores in Current Transformers

Lecture 9 Distinct Purposes, Protection Cores and Metering Cores in Current Transformers

Section 10: Understanding CT Ratio, The Relationship Between Primary and Secondary Current

Lecture 10 Understanding CT Ratio, The Relationship Between Primary and Secondary Current

Section 11: Current Transformer Circuit Shorting and grounding facility

Lecture 11 Current Transformer Circuit Shorting and grounding facility

Engineers, Technicians, Students