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PSW 30-108 - 1080W, 30V, 108A, Programmable Switching D.C. Power Supply (Multi-Range)

1080W, 30V, 108A, Programmable Switching D.C. Power Supply (Multi-Range)

GW Instek

Category : Power Supplies

$3,260 (CAD)
$2,250 (USD)
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Brochure

Overview
Features
Information
Calibration

The PSW 30-108 is a single output multi-range programmable switching DC Power Supply covering a power range up to 1080W. The multi-range feature allows the flexible and efficient configuration of voltage and current within the rated power range. As the PSW 30-108 can be connected in series for maximum 2 units or in parallel for maximum 3 units, the capability of connecting multiple PSW units for higher voltage or higher current output provides a broad coverage of applications. With the flexibility of multi-range power utilization and series/parallel connection, the PSW 30-108 significantly reduces the user’s investment for various power supply products to accommodate the projects with different power requirements.

The CV/CC priority selection of the PSW-Series is a very useful feature for DUT protection. The conventional power supply normally operates under CV mode when the power output is turned on. This could bring a high inrush current to the capacitive load or current-intensive load at the power output-on stage. Taking the I-V curve verification of LED as an example, it becomes a very challenging task to perform this measurement using a conventional power supply. With LED connected to a power supply under CV mode as the initial setting, when the power output is turned on and the voltage rises to the LED forward voltage, the current will suddenly peak up and exceed the preset value of current limit. Upon detecting this high current, the power supply starts the transition from CV mode to CC mode. Though the current becomes stable after the CC mode is activated, the current spike occurred at the CV and CC crossover point may possibly damage the DUT. At the power output-on stage, the PSW-Series is able to run under CC priority to limit the current spike occurred at the threshold voltage and therefore protect DUT from the inrush current damage.

The PSW 30-108 provides USB Host / Device and LAN interfaces as standard and GPIB-USB optional. The LabView driver and the Data Logging PC software are supported on all the interfaces available. An analog control / monitoring connector is also available at the rear panel for external control of power on / off and external monitoring of power output Voltage and Current.

The adjustable slew rate of the PSW 30-108 allows user to set for either output voltage or output current a specific rise time at the low to high level transition, and a specific fall time at the high to low level transition. This facilitates the characteristic verification of a DUT during voltage or current level changes with controllable slew rates. The manufacturing tests of lighting device or large capacitance capacitor during power output-on are mostly associated with the occurrence of high surge current, which can greatly reduce the life time of the DUT. To prevent inrush current from damaging current-intensive devices, a smooth and slow voltage transition during power on-off can significantly reduce the spike current and protect the device from high current damage.

The output on/off delay feature enables the setting of a specific time delay for output on and off. This is especially useful when multiple PSW units are used to generate various outputs with specific on/off time relations. This multiple-output control can be done through the Analog Control terminal at the rear panel or through the PC programming with standard commands.

 

  • Voltage Rating: 30, Output Power: 1080W
  • Constant Power Output for Multiple Range (V&I) Operation
  • CV/CC Priority; Particularly Suitable for the Battery and LED Industry
  • Adjustable Slew Rate
  • Series and Parallel Operation
  • (2 units in Series / 3 units in Parallel Maximum)
  • High Efficiency and High Power Density
  • 1/6 Rack Mount Size Design (EIA/JIS Standard)
  • Standard Interface: LAN,USB,Analog Control Interface, GPIB-USB
  • Adaptor(Optional)
  • Labview Driver
MODEL PSW 30-36 PSW 30-72 PSW 30-108 PSW 80-13.5 PSW 80-27 PSW 80-40.5
Output
Voltage 0~30V 0~30V 0~30V 0~80V 0~80V 0~80V
Current 0~36A 0~72A 0~108A 0~13.5A 0~27A 0~40.5
Power 360W 720W 1080W 360W 720W 1080W
REGULATION(CV)
Load  0.05% of rating + 5mV
Line 0.05% of rating + 3mV
REGULATION(CC)
Load  0.1% of rating + 5mA
Line 0.1% of rating + 5mA
Ripple & Noise
Noise Bandwidth 20MHz; Ripple Bandwidth=1MHz
CV p-p 60mV 80mV 100mV 60mV 80mV 100mV
CV rms 7mV 11mV 14mV 7mV 11mV 14mV
CC rms 72mA 144mA 216mA 27mA 54mA 81mA
Programming Accuracy
Voltage 0.05%+10mV 0.05%+10mV 0.1%+10mV 0.05%+10mV 0.1%+10mV 0.1%+10mV
Current 0.1%+30mA 0.1%+60mA 0.1%+100mA 0.1%+30mA 0.1%+30mA 0.1%+40mA
Readback Accuracy
Voltage 0.1%+10mV 0.1%+60mV 0.1%+10mV 0.1%+10mV 0.1%+10mV 0.1%+10mV
Current 0.1%+30mA 0.1%+30mA 0.1%+100mA 0.1%+10mA 0.1%+30mA 0.1%+40mA
Response Time
Rise Time 50ms
Fall Time(Full Load) 50ms
Fall Time(No Load) 500ms
Load Transient Recover Time
(Load change from 50 to 100%)
1ms
Programming Resolution
Voltage 1mV 1mV 1mV 2mV 2mV 2mV
Current 1mA 2mA 3mA 1mA 2mA 3mA
Measurement Resolution
Voltage 1mV 1mV 1mV 2mV 2mV 2mV
Current 1mA 2mA 3mA 1mA 2mA 3mA
Series and Parallel Capability
Parallel Operation Up to 3 units including the master unit 
Series Operation Up to 2 units including the master unit
Protection Function
OVP 10% to 110% of rated output voltage range
OCP  10% to 110% of rated output current range
OTP Activated by elecated internal temperatures
Front Panel Display Accuracy:
Voltage 0.1%± 2 digits 0.1%± 2 digits 0.1%± 2 digits 0.1%± 2 digits 0.1%± 2 digits 0.1%± 2 digits
Current 0.1%± 4 digits 0.1%± 7 digits 0.1%± 1 digits 0.1%± 2 digits 0.1%± 4 digits 0.1%± 5 digits
Environment Condition
Operation Temp 0℃ to 50 ℃
Storage Temp -25℃ to 70 ℃
Operating Humidity 20% to 85% RH
Storage Humidity 90% RH or Less
OTHER
External Analog Control  V
Interface USB/LAN/GPIB(Optional)
Fan With Thermal Sensing Control
Power Source 85VAC~265VAC; 50 / 60Hz;Single Phase
Power Factor 0.98
Dimensions & Weight (W*H*D) 360W: 71*124*350mm
720W: 142*124*350mm
1080W: 214*124*350mm

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