Libratherm Instruments Private Limited
Libratherm Instruments Private Limited
Dahisar East, Mumbai, Maharashtra
GST No. 27AABCL1732A1Z5
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Capacitor Bank Switch Cards-RTPFC

Thyristor Switch Module Capacitor Bank

Thyristor Switch Module LTSM for APFC

Thyristor Switch Module LTSM for APFC
  • Thyristor Switch Module LTSM for APFC
  • Thyristor Switch Module LTSM for APFC
  • Thyristor Switch Module LTSM for APFC
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Approx. Price: Rs 9,500 / UnitGet Latest Price
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Product Details:

Minimum Order Quantity1 Unit
BrandSEMIKRON
Maximum Operating Temperature70oC
Mounting TypePanel mount
Capacitor5 to 150KVAR
Dc Signal12/24 VDC pulse or relay contact
Weight5.5 KG TO 10KG
Thyristor TypeBACK TO BACK SCR MODULES

Libratherm offers Thyristor Switch Module for capacitor Bank, specially designed for Automatic Power Factor Correction (APFC) applications. In APFC the capacitor banks of suitably rated KVAR are sequentially selected, based on the command from the automatic power factor relay module to maintain the desired power factor (Ratio of KW: KVA). In the conventional method, the number capacitor banks are selected by switching the contactors connected in series with each capacitor bank. This LTSM module allows the selection of such capacitor banks using thyristors (i.e. Solid state switch). Thyristors being solid state switch offers many advantages compared to electromechanical contactors.

 

Libratherm makes LTSM modules are available to switch single or 3 phase capacitor banks rated for 5, 10, 15, 25, 50 and 100 KVAR. Zero crosses over switching technique are used to turn on and turn off the thyristors connected in series with these capacitor banks. LTSM accepts direct potential free contact command and does not require any external 12 or 24 VDC auxiliary power supply for switching the capacitor banks.


Advantages of Thyristor switch module over conventional electromechanical contactor:

  • Since there are no mechanical contacts involved, no arcing and sparking takes place and no audible switching noise is produced.
  • Due to zero cross-over switching techniques, voltage transients can be controlled within the safe limits.
  • Using LTSM it is possible to switch the capacitors at 100mS rate, thereby power factor close to unity can be maintained. Whereas, contactors cannot be switched that fast.
  • There are no limitations in a number of switching operations for thyristor compared to the contactor.

These LTSM modules are safe to operate under the environment of maximum 70oC @ 90% RH – non-condensing.

 

These switching modules LTSM are easy to install and come with built in indications for normal function and faults, along with built-in protection circuits for fail-safe operations.

 

Generally, each of the real time power factor controllers (RPFC – relay module) gives 4 to 12 outputs, to select that many capacitor banks to maintain desired power factor and hence it will be required to use that many numbers of LTSM modules.

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Additional Information:

  • Item Code: LTSM-50
  • Production Capacity: 100 per month
  • Delivery Time: 7 to 10 working days
  • Packaging Details: corrugated box
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3.9/5

★★★★★★★★★★

Reviewed by 22 Users

  • 5★41%
  • 4★27%
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  • 2★9%
  • 1★18%
  • User Satisfaction
  • Response100%
  • Quality     100%
  • Delivery   66%

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26-March-22
Nelson Junior T Rodillas
Philippines
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07-February-21
Chetan
India
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Response from Seller (14-December-21)

Thank you

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11-October-21
Someshwar Joshi
Bengaluru, Karnataka
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Response from Seller (07-December-21)

Thank you very much for your feedback. We look forward for long term buiseness association with J J Technologies

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Kamlesh Panchal (Managing Director)
Libratherm Instruments Private Limited
No. 401-403, Diamond Industrial Estate, Ketki Pada Road
Dahisar East, Mumbai - 400068, Maharashtra, India


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