The invention relates to an assembly having a brake resistor, wherein the brake resistor is connected in series to a fuse, and a trigger element comprises a switch with which the BR or a part of the BR can be short circuited.
The invention relates to an assembly having a brake resistor, wherein the brake resistor is connected in series to a fuse, and a trigger element comprises a switch with which the BR or a part of the BR can be short circuited.
The invention relates to an assembly having a brake resistor, wherein the brake resistor is connected in series to a fuse, and a trigger element comprises a switch with which the BR or a part of the BR can be short circuited.
The synchronous motor (1) can be separated from the power supply as an electric brake and can be connected to a brake resistor (7).
The drive manufacturer supplies the ready-wired motor, brake resistor, and motor holding brake.
A brake-cooling circuit (7), carrying a coolant, is provided for cooling the brake resistance (6).
At least one converter (11) and a brake resistance unit are connected to the electric motor.
The braking means comprise at least one electrical resistance brake with at least one brake resistance (6).
When the braking effects of the electromagnetic brake (4) and the pneumatic brake (5) are not obvious, a contactor of a braking resistor is started to realize a resistance braking.
Braking resistor is generally 3.5 ~ 4.5 Q, the lower the resistance, the better the braking effect.
Tapping the voltage off a braking resistor provides a measure for the braking current, thus enabling the braking current also to be controlled by means of the exciter current.
A braking resistor allows the fan (11) to quickly changeover between full-forward and full-reverse directions.
Provided are a resistor which is simple in constitution and excellent in radiation, and an inverter winder which uses the resistor as a regenerative braking resistor.
The invention relates to an electrical installation comprising at least one generator and at least one braking resistor.
For braking, when the pressure in the main air control line is less than the threshold value, the traction motor is connected to the at least one braking resistance.
A coolant is circulated in the engine-cooling circuit (4).
The braking resistor is adapted to damp power oscillations of the power system and/or to prevent out-of-phase situations.
A braking resistor has been integrated as standard to improve dynamic performance.
The system also comprises a braking resistor (20), which can be electrically connected to said d.c. link (18).
The system also comprises a braking resistor (20), which can be electrically connected to said d.c. link (18).
In this way, energy may be transferred from an electric motor to a braking resistor in a manner that reduces the amount of electromagnetic noise produced.
The invention relates to a method for estimating the value of a braking resistor (Rf) used in a power converter connected to an electric motor (M).
A thyristor valve (30) responsive to the thyristor control signal (42) couples the braking resistor (28) with a ground potential (32).
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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