John Mulindi

Switchgear Terminology & IEC Standards

Switchgear generally refers to the switching devices and their combinations, with the related control, measuring, protective and regulating equipment. The…

1 year ago

Electron/Vacuum Tubes vs. Semiconductor Devices

Electronic circuitry has undergone tremendous changes since the advancement of a triode, a type of electron tube that consists of…

1 year ago

Fault Protection & Diagnostics in Power ICs using Temperature Sensors

Fault conditions sensing for example, the detection of a short circuit is an integral part of many smart power integrated…

1 year ago

Voltage-Controlled Attenuator: Function, Features & Application

Function of a Voltage-Controlled Attenuator The function of a voltage-controlled attenuator is to produce an output signal vo(t) that is…

1 year ago

Microwave Active Devices: Types, Features & Operation

Generally microwave devices can be categorized as either passive components or active components. We have already talked about microwave passive…

1 year ago

Air-Blast Circuit Breakers: Features, Operation & Applications

Air-blast circuit breakers utilize a blast of compressed air typically at a pressure of 25–75 bar, which is directed across…

1 year ago

Testing & Commissioning Protective Schemes

Generally protective equipment testing may be divided into three stages: Factory tests. Commissioning tests. Periodic maintenance tests. Factory and commissioning…

1 year ago

Digital Multimeter: Principle of Operation and How it is used

A Multimeter or volt-ohm-milliammeter (VOM) is an instrument used to measure current, voltage, and resistance. It can be used for…

1 year ago

The Principles of Power System Protection

The Function and Principles of Power System Protection The objective of power system protection is to detect faults or abnormal…

1 year ago

Common Busbar Protection Schemes

Function of Busbars in a Power system & why they must be protected Busbars form a critical component for a…

1 year ago