Clik here to view.
What happens when a transformer fire occurs in a substation
Transformer fire in a substation If a fire occurs as a result of a failure in a transformer, then the. Read more
View ArticleClik here to view.
Should you choose fixed or withdrawable medium voltage switchgear?
Fixed or withdrawable medium voltage switchgear? How to make the right choice between fixed or withdrawable medium voltage switchgear when. Read more
View ArticleClik here to view.
8 steps to follow in power substation design and engineering
Substation design and engineering Building a new substation or retrofitting the old one is a complex process full of design. Read more
View ArticleClik here to view.
7 typical layout designs of 11kV indoor distribution substation
11kV Indoor distribution substation The following layout designs of indoor distribution substation are typical only and should not be used. Read more
View ArticleClik here to view.
Problems with audible substation noise and what you can do about it
Audible substation noise Audible substation noise, particularly continuously radiated discrete tones (e.g., from power transformers), is the type of noise. Read more
View ArticleClik here to view.
Paralleling and ferroresonance as special problems with transformers
Paralleling transformers Occasionally, crews must install distribution transformers, either at a changeover or for extra capacity. If a larger bank. Read more
View ArticleClik here to view.
Gas insulated substation (GIS) versus Air insulated substation (AIS)
Gas insulated substation (GIS) design The metal-enclosed gas insulated switchgear inherently follows the criteria for new substation design and offers. Read more
View ArticleClik here to view.
The principles of differential protection you MUST understand
Differential protection Although nowadays differential protection is achieved numerically, in order to understand the principles of differential protection it is. Read more
View ArticleClik here to view.
A case study of 110/10 kV substation with centralized protection, automation...
Centralized substation protection and control Centralized substation protection and control has been attempted in the past based on the available. Read more
View ArticleClik here to view.
Four design criteria for human machine interface (HMI) in a substation
Human machine interface (HMI) With the introduction of IEDs (Intelligent Electronic Devices), the traditional switchboard interface is being replaced by. Read more
View ArticleClik here to view.
The analysis of four network schemes in terms of reliability and protection
Defining network requirements Before sizing an electric network, the single-line diagram of the electric network must be defined on the. Read more
View ArticleClik here to view.
Typical power supply schemes for standby and production generator sets
The main types of prime movers used in engine driven generator sets for industrial sites and commercial buildings are Diesel engines, gas turbines, and steam turbines. Turbines are used mainly for...
View ArticleClik here to view.
Dangerous magnetic field exposure near transformer substation in the building
Transformer substations located close to the living areas could induce high long-term exposures to extremely low frequency magnetic fields of nearby inhabitants. Some of the researches have shown...
View ArticleClik here to view.
4 medium voltage switching equipment for primary substation installations
This technical article covers the medium voltage switching equipment intended mainly for primary substation installations. The target is to give some basic knowledge and difference between 4 main piece...
View ArticleClik here to view.
Three abnormal situations leading to an uncontrolled release of SF6 gas
This technical article deals with the assessment of risk to personnel in the case of an abnormal situation leading to an uncontrolled release of SF6 gas into the atmosphere. Generally , such... Read more
View ArticleClik here to view.
3 greatest enemies to the transformer operation (and how to prevent them)
The principal object of transformer maintenance is to maintain the insulation in good condition. Moisture, dust and excessive heat are the main reasons of insulation deterioration and avoidance of...
View ArticleClik here to view.
MV network diagrams for feeding secondary switchboards and MV/LV transformers
Let’s take a look at the main MV network diagrams and structures used to feed secondary switchboards and MV/LV transformers. The complexity of the diagrams differs, depending on the level... Read more
View ArticleClik here to view.
10 equipment you MUST recognize in every distribution substation
Distribution substation is a substation from which electric supply is distributed to the different users. In a substation there are numbers of incoming and outgoing circuits each having its...
View ArticleClik here to view.
The essentials of MV/HV magnetic voltage transformers
Magnetic voltage transformers are used to provide a secondary signal that is proportional to the actual prevailing primary value. These signals are used to supply measuring instruments, meters, relays...
View ArticleClik here to view.
How to specify real service conditions for LV/MV equipment inside a substation
The various service conditions for the MV equipment inside substation are linked to the design of the installation, the design of the operating room, the site and the application surrounding... Read more
View Article