Clik here to view.
Energy metering in LV/MV substations and utilities: Dos and don’ts in...
Energy meters are one of the most important components for monitoring and data acquisition in a power system network with roles in every part of the power system network, from... Read more The post...
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.
The most frequent errors in specifying current transformers (CTs)
Current transformers (CTs) form an essential link within the protection chain of electrical networks. Their specification, even if it is handled by specialists, often includes errors and is...
View ArticleClik here to view.
A few practical ways to determine required reactive energy compensation for a...
This article will shed some light on how adding capacitors gives the distribution system the necessary reactive power to return the power factor to the required level. Capacitors act as... Read more...
View ArticleClik here to view.
How to make the right selection of a digital transducer for power system...
The accurate measurement of the voltage, current or other parameter of a power system is a prerequisite to any form of control, ranging from automatic closed-loop control to the recording... Read more...
View ArticleClik here to view.
IEC and NEMA/IEEE ratings of current transformers (CTs) in medium voltage...
First, let’s remind ourselves of the basics in a few sentences. That is something you must know. A current transformer (CT) is designed to produce a secondary current which is... Read more The post...
View ArticleClik here to view.
Four special connections of current transformers in relay protection...
As you should already know, current transformers are used for metering and relay protection purposes. When we are talking about current transformers used for metering, their performance is of...
View ArticleClik here to view.
Field devices and signals used for LV SCADA operations
At low voltage level, SCADA applications are usually used for process control and monitoring of equipment. Furthermore, incoming circuit breakers or switch disconnectors inside large LV switchboards...
View ArticleClik here to view.
Have you experienced incorrectly specified CT? Cannot be manufactured?
When a CT manufacturer says that he is unable to manufacture the requested CT, nine times out of ten this is because the CT has been incorrectly specified. To eliminate... Read moreThe post Have you...
View ArticleClik here to view.
Top six solutions to achieve a high level of energy efficiency in buildings
Energy efficiency in commercial buildings involves providing a given level of performance, cost, quality, availability, and comfort at a minimal level of energy usage throughout the lifecycle of a...
View ArticleClik here to view.
Basic three phase power measurements explained in details
Although single-phase electricity is used to supply common domestic and office electrical appliances, three phase alternating current (a.c.) systems are almost universally used to distribute electrical...
View ArticleClik here to view.
A case study of 110/10 kV substation with centralized protection, automation...
Centralized substation protection and control has been attempted in the past based on the available technology. This evolution is now at the intersection of sensing, protection and communication...
View ArticleClik here to view.
9 rules for correct cabling of the Modbus RS485 communication systems
The cabling of the industrial communication systems (Modbus RS485) is different in some ways from the cabling used for power cabling and the electrician may experience some difficulties if he is not......
View ArticleClik here to view.
Direct and indirect measurements using CTs and VTs
In order to measure electrical quantities, the measuring instruments must be connected to the lines safely, with maximum simplicity and convenience. Generally, the fundamental parameters to be detected...
View ArticleClik here to view.
Basic measuring of resistance, voltage and current using digital multimeter
Digital multimeter has generally replaced the analog-type multimeter as the test device of choice for maintainers because they are easier to read, are often more compact and have greater accuracy.......
View ArticleClik here to view.
Using digital multimeter for testing the charging system of your car
To be honest with you, this article is about testing the car charging system and it isn’t applicable on new Tesla Model III or new BMW 7-series. As you can... Read moreThe post Using digital multimeter...
View ArticleClik here to view.
Power Measurement On Four-Wire System Using Wattmeter Methods
A four-wire system is suitable to supply unbalanced, three-phase loads or single phase loads distributed on all three phases of a low voltage installation. When measuring power on a three-phase... Read...
View ArticleClik here to view.
Guidelines To Metering Challenges and How To Overcome Them
In the course of any metering exercise, there will be challenges that arise – these may occur in planning, specifying, purchasing, installing, or in the maintaining of the metering system. This... Read...
View ArticleClik here to view.
Top six solutions to achieve a high level of energy efficiency in buildings
Energy efficiency in commercial buildings involves providing a given level of performance, cost, quality, availability, and comfort at a minimal level of energy usage throughout the lifecycle of a...
View ArticleClik here to view.
Basic three phase power measurements explained in details
Basic principles of three phase systems Although single-phase electricity is used to supply common domestic and office electrical appliances, three. Read more
View Article
![SennaRin – ADRENA (2024-05-15) [FLAC 24bit/48kHz]](http://getimg.link/images/2024/05/21/7446422.jpg)
