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Standards and Technical Documents - Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i) -- IEC 62026-2:2000
Description: Applies to interfaces between low-voltage switchgear and controlgear switching elements, and controllers (e.g. programmable controllers, personal computers, etc. This standard specifies a bit-oriented interface-system between a single control circuit device and switching elements, connected
Supplier: Schaltbau GmbH
Description: Switchgear for traction – AC vacuum circuit breaker The CVB Series vacuum circuit breaker is the main electrical switch and protection device of AC locomotives and electric multiple units. Mode of operation: The energy required to switch on the CVB is stored by a spring. As soon
- Rated AC Voltage: 15000 volts
- Continuous Current Rating: 6.4 amps
- Rated Breaking Capacity (Icn): 25000 amps
- Trip Unit Type: Other
Supplier: ABB Power Products/Power Systems
Description: The AMVAC circuit breaker combines maintenance-free epoxy encapsulated vacuum interrupters, with a maintenance-free magnetic actuator mechanism, and a maintenance-free electronic controller. The electronic controller not only maintains the charge in the long life capacitors used for open/close
- Style: Rack Mounted
- Phase: Three-Phase
- Maximum Voltage: 13800 to 15000 volts
- Main Device: Breakers
Supplier: Appleton Electric
Description: Applications The PowerPlex Panelboard provides indoor and outdoor protection and control of electrical circuits in hazardous environments such as petroleum refineries, chemical plants, and other process facilities. Ideal for placement in wet, corrosive environments or where flammable gases or
- Style: Rack Mounted, Other
- Panels: Single-Panel, Multi-Panel
- Maximum Voltage: 120 to 600 volts
- Main Device: Breakers
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Belleville Disc Spring Washers
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When lightning strikes wind turbines
voltage of 690 V to the grid operator's medium voltage, usually 3 to 6 kV. The main switchgear elements and a frequency converter that synchronizes wind turbine output to the 60-Hz system reside in the low-voltage main distributor in the base of the tower. This is also where part of the control technology
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Optimal design of autorecloser electromagnetic actuator
As far as the authors are aware, most switchgear actua- tor designs have been developed using models based on lumped parameters.
Magnetic field calculation and dynamic behavior analyses of the permanent magnetic actuator
This innovative design reportedly offered significant increases in reliability over conventional designs and has led to a minor revolution in the field of switchgear actuator design.
A novel thyristor-assisted tap changer scheme
...overstressing and annealingon the fatigue life of convoluted bellows', Israel J. Tech., 9,(6), pp. 571-578 16 Auckland, D.W., Shuttleworth, R., Simms, J.R.; and Varlow, B.R., 1990, 'Rare-earth permanent magnets in switchgear actuators ', 25th UPEC, Aberdeen...
Control sytems at Cockenzie generating station
SWITCHGEAR AND ACTUATORS !
Journal of Spacecraft and Rockets > Solar electric propulsion system evaluation
Actuator elec- tronics Switchgear Switchgear elec- tronics Latching valve Exhibited lifetime during system testing, .
Emerson will retrofit the original control systems for the boilers and turbines, plus install new vibration monitoring equipment, instrumentation, valves, actuators , switchgear , and electrical protection to enable the plant to meet its increased performance expectations.
A faster, smarter, controllable, greener, distributed Grid - the keys to an advanced Grid that yields higher power quality
Bulk power sources are remote from loads, and existing controls are applied to clumsy actuators and switchgear .