Let us remind ourselves of the basics of substation transformer parts, their operation principles, and do’s and don’ts for safety measures and precautions. For novice substation engineers it’s important to… Read more
The post A quick reminder to substation transformer basics and safety precautions, dos and don’ts appeared first on EEP – Electrical Engineering Portal.
Transformer life management requires a portfolio of the different kinds of on-site electrical tests to be performed. This is where things get complicated. The purposes for performing these tests include… Read more
The post On-site transformer diagnostic measurements: The art of troubleshooting and maintenance appeared first on EEP – Electrical Engineering Portal.
Generally speaking, acceptance tests and final inspections of a transformer should not have any improvisations, but they usually do have. The essential purpose in carrying out the final tests on… Read more
The post Learn how to prepare for transformer acceptance tests and final inspections appeared first on EEP – Electrical Engineering Portal.
In grounding the neutral of a power system, the advantages outlined will be achieved provided that proper attention is given to the impedance of the circuit from system neutral to… Read more
The post How to select grounding point(s) and how many generator or transformer neutrals to use appeared first on EEP – Electrical Engineering Portal.
When Whatsapp, Facebook, or Gmail is down, it’s manageable, but if transformers fail, the entire business comes to a standstill. No-power-no-business transformers, as the heart of every substation, impact industries… Read more
The post Where and how to find the root cause of a power transformer failure (troubleshooting guide) appeared first on EEP – Electrical Engineering Portal.
Differential protection is the most commonly applied protection function for bus-connected oil-immersed shunt reactors. The function offers instantaneous protection for internal phase to phase and phase to ground faults. Internal… Read more
The post Differential protection (87R/∆I) applied to bus connected oil-immersed shunt reactors appeared first on EEP – Electrical Engineering Portal.
This article will try to shed some light on the most common noise-related concerns associated with existing substations and provide mitigation methods to address these concerns. The continuous noise created… Read more
The post The limit of the substation noise level over which it begins to irritate the community appeared first on EEP – Electrical Engineering Portal.
For a power system to operate efficiently and securely, the importance of the correct and coordinated provision and control of reactive power cannot be overemphasised. It is necessary to examine… Read more
The post Parameters of generators, transformers, lines and cables for vars, voltage and loads control appeared first on EEP – Electrical Engineering Portal.