electrical equipment class

equipment class

Template Information

Template details and description

Template Type: equipment class
Is Abstract?
Description: An equipment class that contains classes of artefacts which is electrical equipment.
Synonyms: CFIHOS ID
CFIHOS-30000310
PCA RDS Code
RDS7160353

Children

Child templates

Child	Description
earthing resistor	A resistance through which the neutral pint of a supply system is earthed, in order to limit the current that flows on the occurrence of an earth fault.
control module	A module for control functions.
humidifier	Device used to increase the humidity in air by adding water under pressure as a spray into the air.
power stabiliser	A device that removes voltage spikes from an AC or DC electrical supply.
remote terminal unit	A RTU, or Remote Terminal Unit is a device which interfaces objects in the physical world to a DCS or SCADA system by transmitting telemetry data to the system and/or altering the state of connected objects based on control messages received from the system.
safety barrier	Safety barriers are devices that limit the current, voltage, and total energy delivered to a sensor in a hazardous area or flammable environment in order to prevent an explosion.
UV sterilizer	Is a sterilizer intended to make use of ultraviolet light.
amplifier	A physical object for increasing the power of a signal.
battery back-up power supply unit	A direct current power supply unit intended to supply stabilised DC electric power according to specified levels and tolerances.
battery charger	A direct current power supply unit for charging batteries.
busbar	An electrical conductor that is of low-impedance, to which several electric circuits can be connected at separate points.
capacitor bank	A physical object that is a number of capacitor units connected so as to act together.
circuit-breaker	A mechanical switching device that at regular intervals interrupts an electric current.
contactor	A mechanical switching device having only one position of rest, operated otherwise than by hand, capable of making, carrying and breaking currents under normal circuit conditions including operating overload conditions.
control panel	An instrument panel containing a set of indicating devices and control units required for operation of a system or part of it.
earth busbar	An electrical conductor that is a busbar used for earthing.
earth electrode	An electrode, which is the conductive part, that can be embedded in a specific conductive medium, e.g. concrete or coke, in electric contact with the Earth.
earth plate	An electrode that is an earth electrode consisting of a metal plate buried in the ground.
earthing boss	An electrical conductor that is used to connect the earthing system to structure.
electric battery	An electric accumulator that comprises one or more cells fitted with devices necessary for use, for example case, terminals, marking and protective devices.
electric generator	An energy transducer that transforms non-electric energy into electric energy.
electric heater	A heater in which electric energy is converted into heat for useful purposes.
electrical motor starter	A starter in which the force for closing the main contacts is provided exclusively by electrical energy.
electrical socket	An electrical connector in which the terminals of an electricity supply are inside holes made to receive the pins of a plug.
electronic frequency converter	An electronic ac converter for changing the frequency.
electronic power inverter	An electronic converter that changes direct electric current to single-phase or polyphase alternating currents.
floodlight	A projector providing a beam of intense illumination.
fuse	A physical object that by the fusing of one or more of its specially designed and proportioned components, opens the circuit in which it is inserted by breaking the current when this exceeds a given value for a sufficient time.
heating cable	An electric cable, that is also an electric heater, with or without a shield or a metallic sheath, intended to give off heat for heating purposes.
high-pass filter	An electrical filter having a single pass-band extending from a specified cut-off frequency upwards.
low-pass filter	An electrical filter having a single pass-band extending from zero frequency to a specified cut-off frequency.
luminaire	A physical object that is an electric light and its fittings.
power cable	An electric cable intended for transmission of electric power.
power supply unit	A physical object intended to supply electric power according to specified levels and tolerances.
transformer	A transformer that, by electromagnetic induction, transforms a system of alternating voltage and current into another system of voltage and current usually of different values and at the same frequency for the purpose of transmitting electrical power.
rectifier	An electric converter for converting an alternating current into a direct current.
relay	A physical object that can be any electrical device, usually incorporating an electromagnet, whereby a current or signal in one circuit can open or close another circuit.
signal cable	An electric cable intended for transmission of electric signals.
solenoid	An electromagnetic coil, which is a cylindrical coil, the length of which is much greater than its transverse dimensions and which is used to produce a magnetic field.
switchgear and controlgear	A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.
thermostatic switch	A pilot switch whose function is controlled by variations of temperature and whose contacts make or break automatically a load circuit when the temperature of the ambient space in which its sensing element placed or the temperature of the surface on which it is fixed reaches a predetermined value.
thyristor	A semiconductor device that is a three-terminal semiconductor rectifier made up of four layers, p-n-p-n, so that when the fourth is positive with respect to the first, a voltage pulse applied to the third layer initiates a flow of current through the device which continues as long as it is greater than some minimum value.
trip amplifier	A pilot switch intended to create a switch action at a pre-set value.
ups unit	An ac power supply unit that maintains a continuous supply of electric power to the equipment it protects.
variable speed drive unit	A physical object that consists of an electric motor and controller that is used to adjust the motor's operating speed.
air conditioner	A physical object that is intended to bring air to a specified quality.
control box	A terminal box that is used as accommodation for control function circuits.
bus duct	A physical object that is an assembly of busbar, bus duct enclosure, busbar insulation mounts etc.
electrical reactor	A physical object that provides reactance in a circuit.
electrical switch	A switch that turns electrical current on and/or off.
slip ring	A ring of conducting material which is attached to and rotates with a shaft, so that the electric current may be transferred to a stationary circuit through a fixed brush pressing against it.
electrical isolator	An isolator that isolates electrical conductors.
automatic switching equipment	A physical object that is automatic and designed to initiate the operation of circuit-breakers and/or disconnectors in a substation according to a specific programme.
surge protection	A physical object that is protecting against a large but momentary increase in the voltage of an electric circuit.
capacitor	A physical object that stores electricity during part of an operation.
electrical connector	A connector for holding two parts of a conductor in intimate contact.
electrical distribution unit	An electrical conductor that has several power distribution points.
solar panel	A panel and a photovoltaic module whose main parts are solar cells.
constant volume regulator	A regulator ensuring constant volume in a HVAC system to reduce noise
cable tray	A unit or assembly of units or sections and associated fittings forming a rigid structural system used to securely fasten or support cables and raceways.
voltage regulator	A regulator designed to automatically maintain a constant voltage level.