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Capacitor Charging Power Supplies

ADVICE ELECTRONICS designed a new family of capacitor chargers Power Supplies for pulsed laser applications, (medical and aesthetic treatment) in the range 500-3,000W that provide high-efficiency, fast response along with low EMI with no additional line filter required

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Main Features:

Low EMI

High Efficiency of Capacitor Charging Power Supplies

Meets EN 55011 Conducted & Radiated Class A.

Fully protected for over-load, short circuit, over voltage over temperature.

Load Fault Watchdog Timer can be modified upon customer request.

Meet EN60601-1

Can be modified upon customer request (voltage and output Power)

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Advantages of Advice Capacitor Charging Power Supplies over competitors  chargers:

 

ADVICE capacitor chargers are a new design using the

Advanced Silicon and magnetics components that provide:

  • Advice Capacitors Chargers Higher efficiency around 8% over the exist chargers, (reduced temperature rise, increased reliability).

  • Function at higher frequency and 50% duty cycle, (Fast response, less noise).

  • Shut down if the output voltage is equal or less than 80% of its maximum rate for more than 5 second (higher charge discharge cycle).

  • Fully isolated input to output (can be connected directly to the AC line).

  • Advice Capacitor Chargers Can provide per request up to 3KW using the standard platform.

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Product Main Specifications:

Input

Input Voltage: 90-264Vac 47-63Hzfor 1500J/Sec

180-264Vac 47-63Hz for 2200J/Sec

Power Factor:  0.99 typical

Inrush Current:< 25A @ 220Vac

 

Output

Output Power :      LCH500XX   - 500J/Sec

                                LCH1000XX   - 1,000J/Sec

                                      LCH1500XX – 1,500J/Sec

                                      LCH2200XX – 2,200J/Sec

Output Voltage : Configurable from 250Vdc to 1,800V

Polarity :Positive

Efficiency :>88% and maximum load

Regulation:              0.5% @ 100Hz.

 

Interface

Connector :               15Pin D-Type

Voltage Program:     0-10V for 0 to Max. Voltage

Voltage Monitor

Inhibit

End of charge status

Over Voltage/Temperature fault

 

Environment

Operation Temperature: 0°C to +40°C ,

Storage :- 20°C to +85°C

Humidity :Operating 10-90%RH,Storage 10-95%RH

Cooling : Internal fans

Safety: EN60601-1  and CE Mark

MTBF: 50,0000 hours minimum &30°C

 

Regulatory

Leakage Current :  < 130uA

Isolation :  4000VAC / 5700VDC           

EMI : EN55011 Class A Group 1

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capacitor chargers for pulsed lasers

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Principles of operation of our Capacitor Charging Power Supplies

The capacitor charger tested as a charger that defined by charge time to charge a specific capacitor to requested voltage.

The capacitor charger has a three mode of operation as shown below

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The rate of which the capacitor charger is charged and discharged is called the repetition rate , T , and may vary from 0.01Hz for large capacitor banks to a few KHz .

A capacitor charging has two power rating expressed in Joule per second (J/S)

The peak power rating is used when calculate the charge time and the average power is used to determine the maximum repetition rate.

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The charge time calculated by using the formula: 

 

T (second) =

Where:

T = Charge time in second

C = Capacitor in farads

V = Charge voltage require

Ppeak = Unit peak power (J/S)

 

The average output power depends on the discharge mode energy and repetition rate of the load

 

P (J/S) = Wload / T (w=energy delivered per charging cycle T=repetition rate).

capacitor new.png
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