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Do you have to shunt trip a dry pipe sprinkler system in an elevator machine room?
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What is shunt coil?
A shunt-trip coil is a built-in component of a shunt-trip circuit breaker. It is a magnetic coil that can be energized externally to make the breaker trip to shut off the flow of current. For instance, fire sprinklers are sometimes required in the top of elevator shafts in case of a fire in the shaft. If the sprinklers were to spray water on the electric controls in the elevator cab, people could be hurt or killed, either from electrocution or from the elevator malfunctioning. In these cases, a shunt-trip breaker is installed in the circuit feeding the elevator controls, and the fire alarm system sends a trip signal if it detects waterflow from the sprinkler system. This trips the breaker and removes power from the elevator cab. Once tripped, a shunt-trip breaker requires a person to reset it manually.
How do you connect 480volt and coil to fire alarm system?
I can only assume that you are attempting to connect 480VAC coil from a elevator to a fire system in order to shunt the elevator. In order to do this you will need a shunt trip breaker rated for this use.
What is an elevator shunt trip test?
An elevator shunt trip test checks the heat detector placement. It also monitors power and wiring diagram of an elevator.
What is a shunt-trip breaker?
It works just like a normal circuit breaker with one additional function. A shunt-trip breaker also has a built-in magnetic coil that can be energized externally to trip the breaker. For instance, fire sprinklers are sometimes required in the top of elevator shafts in case of a fire in the shaft. If the sprinklers were to spray water on the electric controls in the elevator cab, people could be hurt or killed, either from electrocution or from the elevator malfunctioning. In these cases, a shunt-trip breaker is installed in the circuit feeding the elevator controls, and the fire alarm system sends a trip signal if it detects waterflow from the sprinkler system. This trips the breaker and removes power from the elevator cab. Once tripped, shunt-trip breakers require a person to manually reset them.
What is swinburne's test of DC shunt motor?
swinburne's test on dc shunt machine is to predetermine the efficiency of the dc machine , but it is not accurate it is just like estimation of efficiency of dc shunt machine when it is run as a motor and a generator............................
How shunt generators used in electroplating?
A shunt generator is used to provide electrons (electrical energy) to the electroplating machine.
Is it possible to load a shunt generator to short circuit and not injure the machine?
A
Can you use the ansul system contacts in a kitchen to break the cooking circuits with the shunt trip breaker?
Yes, you can. If your shunt trip is 120 volts, just get 120 volt from your panel and take it to your ansul normally open contacts than to your shunt trip braker. than when your ansul system trips it will trip your shunt braker.
What are industrial applications of DC shunt motors?
Dc shunt motor is a constant flux and constant speed motor . So that it is used in centrifugal pumps ,machine tools ,blowers and fans etc.
What is need of Flexible AC transmission system devices?
Flexible AC transmission system means inserting power electronics based devices in series ,in shunt,in series and shunt to improve the power transfer capability
How is a ventricular shunt inserted?
The ventricular shunt tube is placed to drain fluid from the ventricular system in the brain to the cavity of the abdomen or to the large vein in the neck (jugular vein).
What are the differences of Long shunt vs short shunt generator?
In long shunt the shunt field winding is in parallel to both generator and series field. In short shunt the shunt field is in parallel to generator only.
