Ageing infrastructure is a major problem for almost every power utility in the developed world, and it's a problem that becomes particularly acute when the original manufacturer gives notice that support will soon be withdrawn for an asset ...
Alstom T&D India, globally known as Alstom Grid, recently flagged off its 100th 765kV transformer. Concurrently, it also rolled out India's largest 765kV 275 MVA, single-phase transformer. Alstom has been producing 765kV transformers at its ...
Tags: Electrical, Electronics
The MKP-X2 series capacitors from HJC from Taiwan are available specified at 305Vac and from 0.0047μFUnit of capacitance. The basic unit of a measure of a capacitor. A capacitor charged to 1 volt with a charge of 1 coulombA coulomb is ...
Tags: Capacitors, Electrical, Electronics, taiwan
Ionova Technologies, Inc. reports that its zinc-ion-based ZIP-Cap asymmetric ultracapacitor is expected to provide a 25-fold reduction in build cost and a 5-fold increase in energy densityA figure of merit usually expressed in Joules per ...
Tags: Electrical, Electronics, electrical circuits
From 1st December 2013 onwards, standard newly manufactured ELECTRONICON capacitors of the PFCPower Factor Correction and Power Electronics ranges which are routine-checked on testtest is test rigs with integrated labeling facilities are ...
Tags: Electrical, Electronics, Data Matrix Code
KEMET Corporation (NYSE: KEM), a leading global supplier of electronic components, today announced the expansion of its High Voltage Surface Mount Multilayer Ceramic capacitor portfolio. KEMET has successfully developed several new part ...
Littelfuse, Inc. has introduced two series of compact, high surge withstand fuses, both capable of withstanding up to 20 lightning-induced high current surges without performance degradation. The 328 and 688 Series Fuses offer protection ...
Tags: LED, Electrical, Electronics, Lights, Lighting
With the new PCA2 protection condition analyser from Megger, it is now possible to test simultaneously all of the key elements of substation protection systems – including protection relay, circuit breaker, dc system, and protection ...
The LED T8 tubes have gained a wider market acceptance due to its high energy efficiency at 100 lumen-per-watt and matured industry standards on safety and performance. On a lamp-to-lamp change-out, a 4-ft LED T8 lamp at 18W saves 44% on ...
Tags: LED T8 tubes, Lighting
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. The circuit breaker is an absolutely essential device in the modern ...
Tags: Circuit Breakers, Voltage
All circuit breakers have common features in their operation, although details vary substantially depending on the voltage class, current rating and type of the circuit breaker. The circuit breaker must detect a fault condition; in ...
Tags: Circuit Breaker, Electrical
Circuit breakers are rated both by the normal current that they are expected to carry, and the maximum short-circuit current that they can safely interrupt. Under short-circuit conditions, a current many times greater than normal can ...
Miniature low-voltage circuit breakers use air alone to extinguish the arc. Larger ratings have metal plates or non-metallic arc chutes to divide and cool the arc. Magnetic blowout coils or permanent magnets deflect the arc into the arc ...
Tags: Arc Interruption, Circuit Breaker
1. Breakers for protections against earth faults too small to trip an over-current device: Residual-current device (RCD, formerly known as a residual current circuit breaker) — detects current imbalance, but does not provide ...
Tags: Breakers, Electronics
Magnetic circuit breakers use a solenoid (electromagnet) whose pulling force increases with the current. Certain designs utilize electromagnetic forces in addition to those of the solenoid. The circuit breaker contacts are held closed by a ...