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NBU-1012 Discharge Circuit

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Product Description

NBU-1012 discharge circuit is designed for simplification of solid-state laser systems development. Module forms flashlamp pulses of quasi-rectangular shape, using the energy stored in external capacitors bank. Module includes built-in flashlamp ignition circuit, simmer supply module, IGBT and its driver, protective circuitry, triggering, bleeding discharge resistors and controls.

NBU-1012 is a general-purpose discharge circuit. It forms on the flashlamp quasi-rectangular pulses with the characteristics as below:

  • Flashlamp voltage – up to 1000 V
  • Flashlamp current – up to 1000 A
  • Pulse width – from 50 µsec to 100 msec

Please note that NBU-1012 isn’t a stand-alone solution. For proper operations it requires capacitor charging power supply (CCPS) and capacitor bank as well as some minor parts and controls (see also the picture below).

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Technical Specifications
INPUT
Low Voltage +24 VDC
High Voltage Capacitor Bank Connection
OUTPUT
Max Voltage 1000 V
Max Current 1000 A for pulsewidth <1 msec
500 A for pulsewidth >1 msec
Flashlamp Pulse Duration Up to 100 msec (on request)
SIMMER PARAMETERS
Voltage Up to 300 V
Open Circuit Voltage Approx. 1500 V
Simmer Current 300-800 mA (500 mA by default)
Triggering parameters
Voltage 10kV/~160mJ negative to L- (serial flashlamp triggering)
350V/~20mJ negative to EXT connector (parallel flashlamp triggering)
Pulsewidth ~ 1.0 µsec
Restrike Rate a few Hz (automatically adjusted)
Environment
Operational Temperature 0…+40oC
Storage Temperature -20…+60oC
Humidity 90%, non-condensing
PHYSICAL
Exterior Dimensions (LxWxH) 225x207x62 mm
Weight 2.0 kG
Options

On request the next options are available:

  • High power / current / voltage IGBT with extended parameters;
  • Digital RS-232/RS-485 interface;
  • Different cables;
  • Different simmering and/or triggering parameters.
How To Order
Modifications by flashlamp triggering type
Model Description
NBU-1012 NBU-1012 discharge circuit with capability of both serial and external flashlamp triggering
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