Braking resistors: correct operation of the variable speed drive in complete or partial braking.<\/h1>\n<\/div>Ask for a quote<\/span><\/a><\/div>\n<\/div><\/div>![\"FPSO](\"https:\/\/www.mdresistor.com\/wp-content\/uploads\/2020\/12\/intervention-resistance-freinage-allemagne-min-300x188.jpg\" "\\"intervention-resistance-freinage-allemagne-min\\"")
<\/span><\/div><\/div><\/div><\/div><\/div>METAL DEPLOYE RESISTOR is the world leader in braking resistors from 1kW to several MW for all types and all powers of variable speed drives. A braking resistor is used to:<\/p>\n
\n- secure the descent of a load<\/strong><\/li>\n
- protect the variable speed drive<\/strong><\/li>\n<\/ul>\n
We offer different resistor according to the specificities of applications<\/p>\n
\n- Braking resistors for variable speed drives<\/strong><\/a><\/li>\n
- Braking resistors with forced ventilation<\/a><\/strong> from 100kW to 2MW<\/strong><\/li>\n
- Liquid-cooled resistors <\/strong><\/a><\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>
What is the principle of a braking resistor?<\/h2>\n<\/div>Too strong a load to decelerate or brake for the drive<\/h3>\n
For applications generating movement, the inertia of a load to be decelerated or braked may be too high:<\/p>\n
\n- Lifting, cranes, overhead crane<\/a> ,<\/li>\n
- Elevators<\/a> ,<\/li>\n
- Ventilation,<\/li>\n
- naval applications<\/a> .<\/li>\n<\/ul>\n
The engine will then behave like an asynchronous generator<\/strong> . Which means the load will be reflected directly on the DC bus capacitors of the drive<\/strong> .<\/p>\nHowever, the variable speed drive has a storage capacity<\/strong> . Once this limit is exceeded, the load can cause degradation or even destruction of the drive and its surroundings.<\/p>\nThe braking resistor allows the correct operation of the drive<\/h3>\n
When braking partially or completely, the braking resistor will allow:<\/p>\n
\n- the transformation of electrical energy<\/strong> into heat energy<\/li>\n
- to absorb strong power surges<\/strong> over long cycles<\/li>\n
- to preserve your equipment<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>
Braking resistors of all powers in response to the constraints of different uses<\/h2>\n<\/div><\/div><\/div>![\"Braking](\"https:\/\/www.mdresistor.com\/wp-content\/uploads\/2020\/12\/resistance_de_freinage_2-min-400x600.jpg\" "\\"resistance_de_freinage_2-min\\"")
<\/span><\/div><\/div><\/div>Braking resistor for variable speed drive from 1kW to many kW<\/h3>\n
It is over long cycles that Braking resistors will play the role of variable speed drive<\/a> . They are able to absorb strong power surges.
\nApplications concerned: crane, lifting, ventilation<\/p>\n<\/div><\/div><\/div>Braking resistors designed for lifts up to 500 kW<\/h3>\n
High-performance calculation tools provide resistances capable of dissipating significant current in order to preserve your equipment.<\/p>\n
METAL DEPLOYE RESISTOR, is a world leader in braking resistors for lifting equipment such as elevators.<\/p>\n
Braking resistors with forced ventilation from 100kW to 2MW<\/h3>\n
The mechanically-ventilated braking resistors<\/a> are used for high load dissipation.<\/p>\nIndeed, in certain applications such as the braking of powerful cranes or cranes<\/a> ventilation is necessary for good heat dissipation due to resistor braking.<\/p>\n
<\/span><\/div><\/div><\/div><\/div><\/div>METAL DEPLOYE RESISTOR is the world leader in braking resistors from 1kW to several MW for all types and all powers of variable speed drives. A braking resistor is used to:<\/p>\n
- \n
- secure the descent of a load<\/strong><\/li>\n
- protect the variable speed drive<\/strong><\/li>\n<\/ul>\n
We offer different resistor according to the specificities of applications<\/p>\n
- \n
- Braking resistors for variable speed drives<\/strong><\/a><\/li>\n
- Braking resistors with forced ventilation<\/a><\/strong> from 100kW to 2MW<\/strong><\/li>\n
- Liquid-cooled resistors <\/strong><\/a><\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>
What is the principle of a braking resistor?<\/h2>\n<\/div>
Too strong a load to decelerate or brake for the drive<\/h3>\n
For applications generating movement, the inertia of a load to be decelerated or braked may be too high:<\/p>\n
- \n
- Lifting, cranes, overhead crane<\/a> ,<\/li>\n
- Elevators<\/a> ,<\/li>\n
- Ventilation,<\/li>\n
- naval applications<\/a> .<\/li>\n<\/ul>\n
The engine will then behave like an asynchronous generator<\/strong> . Which means the load will be reflected directly on the DC bus capacitors of the drive<\/strong> .<\/p>\n
However, the variable speed drive has a storage capacity<\/strong> . Once this limit is exceeded, the load can cause degradation or even destruction of the drive and its surroundings.<\/p>\n
The braking resistor allows the correct operation of the drive<\/h3>\n
When braking partially or completely, the braking resistor will allow:<\/p>\n
- \n
- the transformation of electrical energy<\/strong> into heat energy<\/li>\n
- to absorb strong power surges<\/strong> over long cycles<\/li>\n
- to preserve your equipment<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>
Braking resistors of all powers in response to the constraints of different uses<\/h2>\n<\/div><\/div><\/div>
<\/span><\/div><\/div><\/div>Braking resistor for variable speed drive from 1kW to many kW<\/h3>\n
It is over long cycles that Braking resistors will play the role of variable speed drive<\/a> . They are able to absorb strong power surges.
\nApplications concerned: crane, lifting, ventilation<\/p>\n<\/div><\/div><\/div>Braking resistors designed for lifts up to 500 kW<\/h3>\n
High-performance calculation tools provide resistances capable of dissipating significant current in order to preserve your equipment.<\/p>\n
METAL DEPLOYE RESISTOR, is a world leader in braking resistors for lifting equipment such as elevators.<\/p>\n
Braking resistors with forced ventilation from 100kW to 2MW<\/h3>\n
The mechanically-ventilated braking resistors<\/a> are used for high load dissipation.<\/p>\n
Indeed, in certain applications such as the braking of powerful cranes or cranes<\/a> ventilation is necessary for good heat dissipation due to resistor braking.<\/p>\n
- to absorb strong power surges<\/strong> over long cycles<\/li>\n
- Elevators<\/a> ,<\/li>\n
- Braking resistors with forced ventilation<\/a><\/strong> from 100kW to 2MW<\/strong><\/li>\n
- protect the variable speed drive<\/strong><\/li>\n<\/ul>\n
![](\"https:\/\/www.mdresistor.com\/wp-content\/uploads\/2020\/12\/certification-resistances-min.png\" "\\"certification-resistances-min\\"")
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