16480 VARIABLE SPEED DRIVES
... 3. A set of form C, dry contacts to indicate when the VFD is in the run mode. 4. A set of form C, dry contacts to indicate when the VFD is in the fault mode. This fault output shall be hard-wired to BAS independently of Serial Communications interface so it can be monitored even network connection h ...
... 3. A set of form C, dry contacts to indicate when the VFD is in the run mode. 4. A set of form C, dry contacts to indicate when the VFD is in the fault mode. This fault output shall be hard-wired to BAS independently of Serial Communications interface so it can be monitored even network connection h ...
Generator Protection
... In principle the larger the losses in the Inner Circuit the larger the size of the Outer Circuit (coolers or radiators) There is nevertheless a limit either due to the size of the coolers or to the impossibility of cooling a certain spot (hot-spot) in the ...
... In principle the larger the losses in the Inner Circuit the larger the size of the Outer Circuit (coolers or radiators) There is nevertheless a limit either due to the size of the coolers or to the impossibility of cooling a certain spot (hot-spot) in the ...
Product selection for North American exports made easy
... expects the highest level of support and assistance from their supplier partners in export related matters. Why? Support of export business activities to North America in this respect is crucial and successful, because: • The components necessary to support machine manufacturers and panel builders i ...
... expects the highest level of support and assistance from their supplier partners in export related matters. Why? Support of export business activities to North America in this respect is crucial and successful, because: • The components necessary to support machine manufacturers and panel builders i ...
SmartFusion cSoC: DC Fan Control Using PWM
... and thus consumes a lot of power, additionally creating noise. 2. Linear control: In this method the DC voltage applied to the fan is controlled though a voltage regulator. To run the fan at a lower speed the voltage is decreased, and to run at a higher speed the voltage is increased. The advantage ...
... and thus consumes a lot of power, additionally creating noise. 2. Linear control: In this method the DC voltage applied to the fan is controlled though a voltage regulator. To run the fan at a lower speed the voltage is decreased, and to run at a higher speed the voltage is increased. The advantage ...
3-phase BLDC Motor Control with Sensorless Back-EMF
... applications. There are at least two reasons why you might want to eliminate the position sensors: impossibility to make additional connections between position sensors and the control unit cost of the position sensors and wiring. The first reason might be solved by integration of the driver within ...
... applications. There are at least two reasons why you might want to eliminate the position sensors: impossibility to make additional connections between position sensors and the control unit cost of the position sensors and wiring. The first reason might be solved by integration of the driver within ...
LMA790- 3- LM APOLLO OPERATIONS HANDBOOK
... The PGNS acts as a digital autopilot in controlling the vehicle throughout the mission. Normal guidance requirements include transferring the vehicle from a lunar orbit to its descent profile, achieving a successful landing at a preselected or crew-selected site, and performing a powered ascent mane ...
... The PGNS acts as a digital autopilot in controlling the vehicle throughout the mission. Normal guidance requirements include transferring the vehicle from a lunar orbit to its descent profile, achieving a successful landing at a preselected or crew-selected site, and performing a powered ascent mane ...
Full Text:PDF
... EMI measurement Line impedance stabilization network (LISN), which is quite expensive in the market, is developed to use in the laboratory for economic reason. LCR meter is needed for modeling the parasitic parameter. EMI analyzer, which can be related with EMI standard, is preferred. But normal spe ...
... EMI measurement Line impedance stabilization network (LISN), which is quite expensive in the market, is developed to use in the laboratory for economic reason. LCR meter is needed for modeling the parasitic parameter. EMI analyzer, which can be related with EMI standard, is preferred. But normal spe ...
Distributed control system
A distributed control system (DCS) is a control system for a process or plant, wherein control elements are distributed throughout the system. This is in contrast to non-distributed systems, which use a single controller at a central location. In a DCS, a hierarchy of controllers is connected by communications networks for command and monitoring.Example scenarios where a DCS might be used include: Chemical plants Petrochemical (oil) and refineries Boiler controls and power plant systems Nuclear power plants Environmental control systems Water management systems Metallurgical process plants Pharmaceutical manufacturing Sugar refining plants Dry cargo and bulk oil carrier ships Formation control of multi-agent systems