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Applications for the DSM 4.0

 

Managing regen energy

Goal:
Safe energy, avoid unplanned stand-stills

Situation:
The machine brakes every second with a starting power of 10 kW and then within 0,4 seconds down to 0 kW. After a break of 0.1 seconds, the system accelerates again.
        
One DSM 4.0 in combination with one capacitor module EM2020.

Problem:
Fast cycles and heavy loads lead to an overload of the drives electronics and thus to unplanned stand-stills. In addition to that, 2,000 Ws of electrical energy could be saved with each cycle, thus approx. 2 kWh each hour of production.

 

Solution:
One DSM 4.0 in combination with one capacitor module EM2020.


Results:
1. Decreased power input, Saving of 2 kJ each cycle or approx. 2 kWh each hour of production
2. Extension of the service-life of the drives electronics
3. Potential increase of the amount of cycles and increased productivity, if the mechanical parts of the machine are made for faster cycles

One DSM 4.0 in combination with one capacitor module EM2020.

 

Reduce Power Loads

Goal:
Reduce the connected power to the mains, save energy      

Situation:
High cost caused by high power peaks as well as high energy consumption.
             
One DSM 4.0 in combination with Supercaps.

Problem:
The machine accelerates with a big load that leads to a high peak power at the mains. In addition to that unused regen energy is being wasted.

 

Solution:
One DSM 4.0 in combination with Supercaps.

 

Results:
1. Power peak from the mains is reduced drastically
2. Saving regen energy by buffering it in the storage and providing it back to the system once it accelerates.

One DSM 4.0 in combination with Supercaps.

 

Voltage dips or failure of the mains

 

Goal:
Energy supply during voltage dips or failure of the mains
Situation:
The critical drive with 45 kW power is not secured against voltage dips or failure of the mains.
                          
 Three DSM 4.0 units connected in parallel with an adequate energy storage consisting of Supercap modules.

Problem:
To ensure that an expensive tool is not destroyed, and thus maintaining delivery capability and avoiding contract penalties, the critical drive has to be kept running for at least 10 seconds in case of voltage dips or failure of the mains.


Solution:
Three DSM 4.0 units connected in parallel with an adequate energy storage consisting of Supercap modules.


Results:
1. Controlled and uninterrupted power supply to the machine during voltage dips
2. Controlled stop of the machine in case of failure of the mains
3. Enabling the machine to go into a defined position while securing the workpiece and the tool

Three DSM 4.0 units connected in parallel with an adequate energy storage consisting of Supercap modules. 

 

Failure of the Mains

Goal:
Energy supply during failure of the mains

Situation:
Safety standards require that an AGV (automatic guided vehicle) does not stop in a fire protecting door.
                                                    
One DSM 4.0 with five capacitor modules EM2020.

Problem:
In case of a failure of the mains, a fire protecting door cannot close if an AGV has stopped in the door way.


Solution:
One DSM 4.0 with five capacitor modules EM2020.

 

Results:
1. AGV leaves the dangerous area in case of a
failure of the mains
2. The fire protecting door can close.

One DSM 4.0 with five capacitor modules EM2020.

 

Independent operation from the mains

 

Goal:
An existing system shall be operated independent from the mains

Situation:
Between relocating a work group from one location to the next (in total two dozen) the system constantly has to be connected to the mains.
    
One DSM 4.0 with batteries

Problem:
Time consuming for the workers and the used cable wears out.


Solution:
One DSM 4.0 with batteries


Results:
1. Batteries are being charged once and supply the necessary energy for both shifts during a working day
2. Work time is saved
3. Cable as a potential source of danger is minimized

One DSM 4.0 with batteries
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