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 Variable DC Power Source with Power Distribution Panel 30 Amp images

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Variable DC Power Source with Power Distribution Panel 30 Amp

SKU: Variable DC Power Source with Power Distribution Panel 30 Amp 50869027

Educational Motors & Machines




1) SCOPE : Our specification covers design, manufacturing, inspection, testing,   supply of the DRIVE.



• Normal Voltage : 415V +/- 10%

• No of phases : Three phase, four wire

• Frequency : 50Hz +/- 2%

• Fault level : 20KA RMS at 415 V.

• Neutral earth : Solidly earthed.




3.1) Output Voltage.

• Armature : 440V DC Max.

• Field : 220V DC

• DC Motor Blower : 415V +/-10%, 50Hz +/-2%, 3Ph.


3.2) Output Current

• Armature :

• Field :


3.3) Speed Control


3.4) Accuracy of speed control. +/-2% under Arm. Voltage feedback


3.5) Soft start. Acceleration and deceleration control from 5sec to 30sec adjustable


3.6) Type of control : Tacho/Arm. Voltage feedback


3.7) Direction of rotation


3.8) Braking


3.9) Type of cooling : Forced air cooling



It consists of the following modules

• Input module

• Thyristor module

• Regulation module

• Output module

• Excitation module

• Indicating and operating module

• Protection module


4.a Input module

The incoming 415V 3PH four wire supply will be brought into this module. It consists of -

• Tripple pole and neutral incoming AC heavy duty isolator switch.

• Three nos. HRC fuse link for mains.

• Main contactor

• Line surge suppressor consisting of capacitors, resistors & MOVs.


4.b Thyristor module

It will consist of three phase, full wave, fully controlled thyristor bridge assembly comprising of -

• Six nos. derated thyristors each mounted on Aluminium heat sinks

• RC Snubber circuit for power semi-conductors.

• MOVs to protect thyristors against spikes.

• Pulse transformers to isolate the control circuit from power circuit.

• Forced cooling arrangement.



011 805 5030 / 086 138 6548 - Phone orders
Monday-Friday, 08:00-17:00


Product details

Category: Educational Motors & Machines

Brand: Tesca

Tesca Technologies Pvt. Ltd. are Manufacturer, Exporter, Importer, Marketer of Test, Measuring & Educational / Vocational / Didactic Technical Training Equipment. Tesca offers quality products in varied fields providing the complete package to the customers in user friendly & IT savvy manner. We are...

Product code (SKU): Variable DC Power Source with Power Distribution Panel 30 Amp 50869027

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