KEPCO JQE 25-20MVPY-27274 Manuals

Manuals and User Guides for KEPCO JQE 25-20MVPY-27274. We have 1 KEPCO JQE 25-20MVPY-27274 manual available for free PDF download: Instruction Manual

KEPCO JQE 25-20MVPY-27274 Instruction Manual

KEPCO JQE 25-20MVPY-27274 Instruction Manual (70 pages)

Brand: KEPCO | Category: Power Supply | Size: 1 MB

Table of Contents

Declaration of Conformity
3
Safety Instructions
5
Table of Contents
7
Section 1 - Introduction

11
- Scope of Manual
  11
- General Description
  11
- Features
  11
- Accessories
  12
- Specifications
  12
- JQE 25-20MVPY-27274 Specifications
  13
- Specifications, Mechanical
  14
- Mechanical Outline Drawing
  14
Section 2 - Installation

17
- Unpacking and Inspection
  17
- Terminations
  17
- Front Panel Controls and Indicators, JQE Special Models
  17
- Rear Panel Terminations, JQE Special Models
  18
- AC Input Requirements
  19
- Location of Internal Adjustments
  19
- Cooling
  20
- Preliminary Operational Check
  20
- Conversion to 230V AC Line Operation
  20
- Installation
  21
- Grounding
  21
Section 3 - Operation

23
Section 4 - Calibration

31
Section 5 - Theory of Operation

37
- Simplified Diagram Discussion
  37
- Circuit Description
  37
- A-C Input Circuit
  37
- JQE Special Power Supply, Simplified Schematic Diagram
  38
- Main D-C Supply
  39
- Pass-Element Section
  39
- Voltage Error Amplifier (VEA)
  39
- Current Limit Circuit (CEA)
  40
- Overvoltage Protection Circuit and Current Monitor
  40
- Auxiliary Supplies
  40
- Metering Circuit
  41
- Monitoring Circuit
  41
Section 6 - Maintenance

43
- General
  43
- Disassembly/Reassembly
  43
- Cover Removal
  43
- A1 Circuit Board Removal
  43
- A5 Terminal Block Board and CR203 and CR204 Access
  44
- A3 Heat Sink Removal
  44
- A4 Overvoltage Protection Circuit Board Removal
  44
- Reassembly
  44
- Troubleshooting
  44
- Power Supply Measurements
  46
- Required Test Equipment
  46
- Measurement Instructions
  47
Section 7 - Electrical Parts List and Diagrams

49

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