Pscad (pscad/EMTDC) (full name Power Systems Computer Aided Design) is the world's widely used electromagnetic transient simulation software, EMTDC is the core of its simulation calculation, pscad provides a graphical operation interface for EMTDC (ElectromagneTIc Transients including DC). The earliest version of EMTDC was developed by Dr. Dennis Woodford of Canada in 1976 at the Manitoba Hydropower Bureau.
Pscad is a very professional software, specializing in power manufacturing companies for product development, or research institutes to use more experimental projects. The general technical information of the power product manufacturing industry will use pscad, which is suitable for circuit design and system simulation, because many of the parameters (such as transformers) in it are consistent with the actual equipment parameters.
Pscad's simulation in dynamic fields, such as transients, protection, devices, etc.; more professional in the power direction, can also be recognized by the industry.
The pscad provides a rich library of components, from simple passive components to complex control modules, so that models such as motors, FACTS devices, and cable lines are covered.
Resistors, inductors, capacitors - RLC
· Mutually coupled windings, such as transformers - various transformer models
· Frequency dependent transmission lines and cables (including the most accurate TIme domain line model in the world!) - time domain model of overhead lines and cables
· Current and voltage sources - current, voltage source
· Switches and breakers - switches, breakers
· ProtecTIon and relaying - relay protection original
· Diodes, thyristors and GTOs - transistors, IGBTs, GTOs, etc.
· Analog and digital control funcTIons - analog, digital controller
· AC and DC machines, exciters, governors, stabilizers and inertial models—AC/DC motors, exciters, stabilizers, and rigid-body models.
· Meters and measuring functions - measuring instruments, measuring power current and voltage parameters, etc.
· Generic DC and AC controls - universal AC and DC control components
· HVDC, SVC, and other FACTS controllers - HVDC, SVC, various FACET controllers
· Wind source, turbines and governors - wind model, steam turbine and governor model
KNB2-63 Miniature Circuit Breaker
KNB2-63 Mini Circuit breakers, also named as the air switch which have a short for arc extinguishing device. It is a switch role, and also is a automatic protection of low-voltage electrical distribution. Its role is equivalent to the combination of switch. Fuse. Thermal Relay and other electrical components. It mainly used for short circuit and overload protection. Generally, According to the poles, mini Circuit breaker can be divided into 1P , 1P+N , 2P, 3P and 4P.
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