Search results
Results From The WOW.Com Content Network
A shunt in the ungrounded conductor must be insulated for the full circuit voltage to ground; the measuring instrument must be inherently isolated from ground or must include a resistive voltage divider or an isolation amplifier between the relatively high common-mode voltage and lower voltages inside the instrument. A shunt in the grounded ...
Ayrton shunt switching principle. The Ayrton shunt or universal shunt is a high-resistance shunt used in galvanometers to increase their range [1] without changing the damping. [2] The circuit is named after its inventor William E. Ayrton. [3] Multirange ammeters that use this technique are more accurate than those using a make-before-break ...
Schematic representation of a cold cathode voltage-regulator tube 5651 Regulator tube in operation. A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a predetermined level.
Fast-response for measuring high-impulse or heavy-surge currents is the common requirement for shunt resistors. In 1981 Malewski, [2] designed a circuit to eliminate the skin effect and later in 1999 the flat-strap sandwich shunt (FSSS) [3] was introduced from a flat-strap sandwich resistor. The properties of the FSSS in terms of response time ...
Generator separately excited by battery Self exciting generators Series on left, shunt on right. A shunt generator is a type of electric generator in which field winding and armature winding are connected in parallel, and in which the armature supplies both the load current and the field current for the excitation (generator is therefore self excited).
The goal shunt compensation is to connect a device in parallel with the system that will improve voltage and enable larger power flow. This is traditionally done using shunt capacitors and inductors (reactors), [13] much like Power Factor Correction. The most common shunt compensation device is the Static VAR Compensator (SVC). [14]
In Electrical Engineering , a static synchronous compensator (STATCOM) is a shunt-connected, reactive compensation device used on transmission networks. It uses power electronics to form a voltage-source converter that can act as either a source or sink of reactive AC power to an electricity network. It is a member of the FACTS family of devices.
The parallel shunt component on the equivalent circuit diagram is used to represent the core losses. These core losses come from the change in the direction of the flux and eddy currents. Eddy current losses are caused by currents induced in the iron due to the alternating flux.