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# Design elements - Transformers and windings

The vector stencils library "Transformers and windings" contains 29 element symbols of transformers, windings, couplers, metering devices, transductors, magnetic cores, chokes, and a variometer.
Use it to design the electromechanical device schematics and electronic circuit diagrams.
"A transformer is an electrical device that transfers energy between two circuits through electromagnetic induction. Transformers may be used in step-up or step-down voltage conversion, which 'transforms' an AC voltage from one voltage level on the input of the device to another level at the output terminals. This special function of transformers can provide control of specified requirements of current level as an alternating current source, or it may be used for impedance matching between mismatched electrical circuits to effect maximum power transfer between the circuits.
A transformer most commonly consists of two windings of wire that are wound around a common core to induce tight electromagnetic coupling between the windings. The core material is often a laminated iron core. The coil that receives the electrical input energy is referred to as the primary winding, while the output coil is called the secondary winding.
An alternating electric current flowing through the primary winding (coil) of a transformer generates an electromagnetic field in its surroundings and a varying magnetic flux in the core of the transformer. By electromagnetic induction this magnetic flux generates a varying electromotive force in the secondary winding, resulting in a voltage across the output terminals. If a load impedance is connected across the secondary winding, a current flows through the secondary winding drawing power from the primary winding and its power source." [Transformer. Wikipedia]
"An electromagnetic coil (or simply a "coil") is formed when a conductor is wound around a core or form to create an inductor or electromagnet. When electricity is passed through a coil, it generates a magnetic field. One loop of wire is usually referred to as a turn or a winding, and a coil consists of one or more turns. For use in an electronic circuit, electrical connection terminals called taps are often connected to a coil. Coils are often coated with varnish or wrapped with insulating tape to provide additional insulation and secure them in place. A completed coil assembly with one or more set of coils and taps is often called the windings.
Windings are used in transformers, electric motors, inductors, solenoids, loudspeakers, and many other applications." [Electromagnetic coil. Wikipedia]
The shapes example "Design elements - Transformers and windings" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Electrical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Transformer and winding symbols
Used Solutions

## Design elements - Transformers and windings

The vector stencils library "Inductors" contains 41 symbols of inductor elements for drawing electronic circuit diagrams.
"An inductor, also called a coil or reactor, is a passive two-terminal electrical component which resists changes in electric current passing through it. It consists of a conductor such as a wire, usually wound into a coil. When a current flows through it, energy is stored temporarily in a magnetic field in the coil. When the current flowing through an inductor changes, the time-varying magnetic field induces a voltage in the conductor, according to Faraday’s law of electromagnetic induction, which opposes the change in current that created it.
An inductor is characterized by its inductance, the ratio of the voltage to the rate of change of current, which has units of henries (H). Inductors have values that typically range from 1 µH (10-6H) to 1 H. Many inductors have a magnetic core made of iron or ferrite inside the coil, which serves to increase the magnetic field and thus the inductance. Along with capacitors and resistors, inductors are one of the three passive linear circuit elements that make up electric circuits. Inductors are widely used in alternating current (AC) electronic equipment, particularly in radio equipment. They are used to block the flow of AC current while allowing DC to pass; inductors designed for this purpose are called chokes. They are also used in electronic filters to separate signals of different frequencies, and in combination with capacitors to make tuned circuits, used to tune radio and TV receivers." [Inductor. Wikipedia]
The symbols example "Design elements - Inductors" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Electrical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Inductor elements
Used Solutions

## Design elements - Transformers and windings

The vector stencils library "HVAC control equipment" contains 48 HVAC symbols. Use it for drawing HVAC systems diagrams, heating, ventilation, air conditioning, refrigeration, automated building control, and environmental control design building plans and equipment layouts. The symbols example "HVAC control equipment - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the HVAC Plans solution from the Building Plans area of ConceptDraw Solution Park.
Duct, sgl line
Duct, dbl line
Return duct, sgl line
Return duct, dbl line
Supply duct, sgl line
Supply duct, dbl line
Return duct 2, sgl line
Return duct 2, dbl line
Supply duct extension, sgl line
Supply duct extension, dbl line
Return duct extension, sgl line
Return duct extension, dbl line
2-fan section, sgl line
2-fan section, dbl line
3-fan section, sgl line
3-fan section, dbl line
4-fan section, sgl line
4-fan section, dbl line
VAV box
DD-VAV box
Fan coil housing
Unit heater
Centrifugal fan
Propeller fan
Vane axial fan
Damper
Filter
Air flow station
Humidifier
Htg/clg coil
Valve
Water flow meter
Pump
Cooling tower
Converter
Heat exchanger
Boiler
Equipment
Starter
VSD
Side to bottom pipe
Side to bottom pipe, arrow
Side to side pipe
Side to side pipe, arrow
Top to bottom pipe
Top to bottom pipe, arrow
Pipe flow arrow
Used Solutions

## Design elements - Transformers and windings

The vector stencils library "HVAC equipment" contains 26 symbols of HVAC equipment. Use it for drawing HVAC system diagrams, heating, ventilation, air conditioning, refrigeration, automated building control and environmental control system layout floor plans in the ConceptDraw PRO diagramming and vector drawing software extended with the HVAC Plans solution from the Building Plans area of ConceptDraw Solution Park.
Rotary pump
Pump
Centrifugal pump
Reciprocating pump
Screw pump
Centrifugal fan
Centrifugal fan 2
Axial fan
Axial fan 2
Moisture eliminator
Condenser
Condenser, plate type
Condenser, coil type
Air filter
Dryer
Silencer
Silencer 2
Pipe coil
Pipe coil, fins
Pipe coil, plate
Pipe coil, plate, fins
Chiller
Used Solutions

## Design elements - Transformers and windings

The vector stencils library "HVAC equipment" contains 26 symbols of HVAC equipment as pumps, fans, condensers, pipe coils, silencers, etc.
Use the design elements library "HVAC equipment" for drawing the HVAC system diagrams, heating, ventilation, air conditioning, refrigeration, automated building control and environmental control system layout floor plans using the ConceptDraw PRO diagramming and vector drawing software.
"HVAC (heating, ventilation, and air conditioning) is the technology of indoor and vehicular environmental comfort. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. Refrigeration is sometimes added to the field's abbreviation as HVAC&R or HVACR, or ventilating is dropped as in HACR (such as the designation of HACR-rated circuit breakers).
HVAC is important in the design of medium to large industrial and office buildings such as skyscrapers and in marine environments such as aquariums, where safe and healthy building conditions are regulated with respect to temperature and humidity, using fresh air from outdoors." [HVAC. Wikipedia]
The shapes library "HVAC equipment" is contained in the HVAC Plans solution from the Building Plans area of ConceptDraw Solution Park.
HVAC equipment symbols
Used Solutions

## Design elements - Transformers and windings

The vector stencils library "Plumbing" contains 31 symbols of plumbing components and bathroom fixtures. Use it for dawing plumbing and piping plans, schematic diagrams, blueprints of waste water disposal systems, hot and cold water supply systems in the ConceptDraw PRO diagramming and vector drawing software extended with the Plumbing and Piping Plans solution from the Building Plans area of ConceptDraw Solution Park.
Boiler, flat ends
Boiler, curved ends
Boiler, angled ends
Heating/Cooling coil
Pump
Pump
Convector
Convector, fan
Heater/cooler, horizontal
Heater/cooler, downward
Tank, open
Tank, closed
Water surface
Pipe coils
Pipe coils, fins
Pipe coils, break
Pipe coils, break, fins
Sink unit
Basin
Toilet
Bath
Basin (side)
Toilet (side)
Bath (side)
End view
Washing machine
Towel rail
Used Solutions

## Plumbing and Piping Plans

Plumbing and Piping Plans solution extends ConceptDraw PRO v10.2.2 software with samples, templates and libraries of pipes, plumbing, and valves design elements for developing of water and plumbing systems, and for drawing Plumbing plan, Piping plan, PVC Pipe plan, PVC Pipe furniture plan, Plumbing layout plan, Plumbing floor plan, Half pipe plans, Pipe bender plans.

## Design elements - Transformers and windings

The vector stencils library "Switches and relays" contains 58 symbols of electrical contacts, switches, relays, circuit breakers, selectors, connectors, disconnect devices, switching circuits, current regulators, and thermostats for electrical devices.
"In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
The most familiar form of switch is a manually operated electromechanical device with one or more sets of electrical contacts, which are connected to external circuits. Each set of contacts can be in one of two states: either "closed" meaning the contacts are touching and electricity can flow between them, or "open", meaning the contacts are separated and the switch is nonconducting. The mechanism actuating the transition between these two states (open or closed) can be either a "toggle" (flip switch for continuous "on" or "off") or "momentary" (push-for "on" or push-for "off") type.
A switch may be directly manipulated by a human as a control signal to a system, such as a computer keyboard button, or to control power flow in a circuit, such as a light switch. Automatically operated switches can be used to control the motions of machines, for example, to indicate that a garage door has reached its full open position or that a machine tool is in a position to accept another workpiece. Switches may be operated by process variables such as pressure, temperature, flow, current, voltage, and force, acting as sensors in a process and used to automatically control a system. ... A switch that is operated by another electrical circuit is called a relay. Large switches may be remotely operated by a motor drive mechanism. Some switches are used to isolate electric power from a system, providing a visible point of isolation that can be padlocked if necessary to prevent accidental operation of a machine during maintenance, or to prevent electric shock." [Switch. Wikipedia]
"A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal. The first relays were used in long distance telegraph circuits as amplifiers: they repeated the signal coming in from one circuit and re-transmitted it on another circuit. Relays were used extensively in telephone exchanges and early computers to perform logical operations.
A type of relay that can handle the high power required to directly control an electric motor or other loads is called a contactor. Solid-state relays control power circuits with no moving parts, instead using a semiconductor device to perform switching. Relays with calibrated operating characteristics and sometimes multiple operating coils are used to protect electrical circuits from overload or faults; in modern electric power systems these functions are performed by digital instruments still called "protective relays"." [Relay. Wikipedia]
The shapes example "Design elements - Switches and relays" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Electrical Engineering solution from the Engineering area of ConceptDraw Solution Park.
Switch and relay symbols
Used Solutions