Трехфазное короткое замыкание icon

Трехфазное короткое замыкание

Михаил Карпеш
Free
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About Трехфазное короткое замыкание

Characteristics of the set of virtual laboratory works
"Three-phase short circuit in the electrical network" TKZES-V


The kit can be used:

- In the system of secondary vocational education in the preparation of specialists in the following specialties:
- Power stations, networks and systems;
- Relay protection and automation of electric power systems;
- Power supply (by industry).

- In the system of higher professional education in the preparation of bachelors, masters and graduates in the direction of "Power Engineering".

- When lecturing a teacher.

- When performing laboratory work in a computer class.

- When performing remote laboratory work.

- In self-preparation of students.

1. Virtual laboratory work "Investigation of the transient process during a three-phase short circuit in an unbranched three-phase electrical network powered by a constant voltage source" (Research can be carried out for electrical networks with voltage
6…220 kV).
1.1. Study of the time dependences of the short circuit current, its periodic and aperiodic components.
1.2. Investigation of the influence on the short circuit current of the moment of its occurrence.
1.3. Investigation of the impact on the short circuit current of the distance of the short circuit point from the busbars of the supply network.


2. Virtual laboratory work "Investigation of the electromagnetic transient process during a three-phase short circuit in an unbranched three-phase electrical network powered by a synchronous non-salient pole generator" (Research can be carried out for eighteen types of turbogenerators with a capacity of 6 ... 1000 MW).
2.1. Study of the time dependences of the stator current and the excitation current of the generator during a three-phase short circuit in an external network.
2.2. Investigation of the influence on the stator current and the generator excitation current of the moment of occurrence of a short circuit.
2.3. Investigation of the effect on the stator current and the generator excitation current of the distance from it to the short circuit point.
2.4. Study of the influence on the stator current and excitation current of the ARV generator.
2.5. Study of the influence on the stator current and the excitation current of the generator of its previous mode.
2.6. Study of the influence on the nature of the transient process of the type and power of the generator.

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