TEP(Thermoelectroic Power)
... This is known as the Seebeck effect (Fig.1). The Seebeck effect has two main applications i.e. temperature measurement and power generation. Seebeck circuit also creates the refrigeration. This is known as Peltier effect. When current passes from material A to material B, the junction becomes either ...
... This is known as the Seebeck effect (Fig.1). The Seebeck effect has two main applications i.e. temperature measurement and power generation. Seebeck circuit also creates the refrigeration. This is known as Peltier effect. When current passes from material A to material B, the junction becomes either ...
DPCL Solid State Device Discrete Control Lecture
... or power transistors. These elements are controlled by input signals coupled to the switched devices through isolation mechanisms such as transformers, reed relays, or optoisolators. Sometimes called thyristors. The loads or switched devices are electrical power consuming devices, contactors, transf ...
... or power transistors. These elements are controlled by input signals coupled to the switched devices through isolation mechanisms such as transformers, reed relays, or optoisolators. Sometimes called thyristors. The loads or switched devices are electrical power consuming devices, contactors, transf ...
Design and Simulation of a Temperature
... Introduction Temperature measurement in today’s industrial environment encompasses a wide variety of needs and applications. To meet this wide array of needs the process controls industry has developed a large number of sensors and devices to handle this demand. In this experiment you will have an ...
... Introduction Temperature measurement in today’s industrial environment encompasses a wide variety of needs and applications. To meet this wide array of needs the process controls industry has developed a large number of sensors and devices to handle this demand. In this experiment you will have an ...
Thermostat
A thermostat is a component of a HVAC control system which senses the temperature of a system so that the system's temperature is maintained near a desired setpoint. The thermostat does this by switching heating or cooling devices on or off, or regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature.A thermostat may be a control unit for a heating or cooling system or a component part of or air conditioner. Thermostats can be constructed in many ways and may use a variety of sensors to measure the temperature. The output of the sensor then controls the heating or cooling apparatus. A thermostat may switch on and off at temperatures either side of the setpoint. This prevents equipment damage from frequent switching. Thermostats are also used in many household appliances. A thermostat is an instance of a ""bang-bang controller"" as the heating or cooling system output is not proportional to the difference between actual temperature and the set temperature; the equipment runs at full capacity until the set temperature is reached, then shuts off. Increasing the difference between the thermostat setting and the desired temperature therefore does not shorten the time to achieve the desired temperature.The term is derived from the Greek words θερμός thermos, ""comfortable"" and στατός statos, ""climate controlled"".