Document Outline

• SECTION 1 - INTRODUCTION
• SECTION 2 - INSTALLATION
• SECTION 3 - OPERATION
• SECTION 4 - CALIBRATION
• SECTION 5 - THEORY OF OPERATION
• SECTION 6 - MAINTENANCE
• SECTION 7 - ELECTRICAL PARTS LIST AND DIAGRAMS
• SECTION 1 - INTRODUCTION
  • 1.1 Scope of Manual
  • 1.2 General Description
  • 1.3 Features.
  • 1.4 Accessories
  • 1.5 Specifications, General
  • 1.6 Specifications, Electrical
  • TABLE 1-1. JQE Special Models, Electrical Specifications
  • TABLE 1-2. JQE Special Models, Common Electrical Specifications
  • 1.7 Specifications, Performance
  • 1.7.1 Voltage Control Channel
  • 1.7.2 Current Limit Control Channel
  • TABLE 1-3. Current Limit Values
  • 1.7.3 Current Monitor
  • 1.7.4 Dynamics
  • 1.7.5 General
  • 1.8 Specifications, Mechanical
  • FIGURE 1-1. Mechanical Outline Drawing
• SECTION 2 - INSTALLATION
  • 2.1 Unpacking and Inspection
  • 2.2 Terminations
  • FIGURE 2-1. Front Panel Controls and Indicators, JQE Special Models
  • TABLE 2-1. Front Panel Controls and Indicator Functions
  • FIGURE 2-2. Rear Panel Terminations, JQE Special Models
  • TABLE 2-2. Rear Panel Termination Functions
  • FIGURE 2-3. Location of Internal Adjustments
  • TABLE 2-3. Internal Adjustments
  • 2.3 AC Input Requirements
  • FIGURE 2-4. Conversion to 230V AC Line Operation
  • 2.4 Cooling
  • 2.5 Preliminary Operational Check
  • 2.6 Installation
  • 2.7 Grounding
• SECTION 3 - OPERATION
  • 3.1 Standard Power Supply Operation, Local Control
  • 3.1.1 General
  • 3.2 Load Connection
  • 3.2.1 Local Error Sensing
  • FIGURE 3-1. Load Connection Showing a Floating Load
  • 3.2.2 Remote Error Sensing
  • 3.2.3 Grounded Load Connection
  • FIGURE 3-2. Grounded Load Connections
  • 3.3 Output Adjustment
  • 3.4 Introduction to Remote Programming
  • 3.4.1 General
  • FIGURE 3-3. Comparison Bridge (Simplified) for Voltage Mode
  • FIGURE 3-4. Comparison Bridge (Simplified) for Current Mode
  • 3.4.2 Equations Showing the Operation of the Kepco Bridge
  • 3.5 General Rules for Remote Programming
  • 3.5.1 Grounding
  • 3.5.2 Connections
  • 3.5.3 Programming Resistors
  • 3.5.4 External Switching
  • 3.6 Output Voltage Programming With External Resistance
  • FIGURE 3-5. Remote Resistance Programming (Voltage Mode)
  • 3.7 Constant Current Operation
  • FIGURE 3-6. Remote Resistance Programming (Current Mode)
  • 3.8 Output Current Programming with External Resistance
• SECTION 4 - CALIBRATION
  • 4.1 General
  • 4.2 Test Equipment Required
  • 4.3 Lag Network Adjustment
  • 4.4 Overvoltage Protection (OVP) Test and Adjustment
  • 4.5 Output Voltage Calibration
  • 4.5.1 Voltage Pre-calibration Setup
  • 4.5.2 Zero Output Voltage Calibration
  • 4.5.2.1 Zero Output Voltage (Local Programming) Calibration
  • 4.5.2.2 Zero Output Voltage (Remote Programming) Calibration
  • 4.5.3 Zero Current Monitor Calibration
  • 4.5.4 Local Full Scale (FS) Output Voltage Calibration
  • 4.5.5 Remote Full Scale (FS) Output Voltage Calibration
  • 4.6 Output Current Limit calibration
  • 4.6.1 Current Limit Pre-calibration Setup
  • 4.6.2 Zero (Minimum) Output Current Limit "B" Calibration
  • 4.6.3 Full Scale (maximum) Output Current Limit "B" Calibration
  • 4.6.4 FS Current Monitor Calibration
  • 4.6.5 Full Scale Output Current Limit "A" Calibration
• SECTION 5 - THEORY OF OPERATION
  • 5.1 Simplified Diagram Discussion
  • 5.2 Circuit Description
  • 5.2.1 A-C Input Circuit.
  • FIGURE 5-1. JQE Special Power Supply, Simplified Schematic Diagram
  • 5.2.2 Main d-c Supply
  • 5.2.3 Pass-Element Section
  • 5.2.4 Voltage Error Amplifier (VEA)
  • 5.2.5 Current Limit Circuit
  • 5.2.6 Overvoltage Protection Circuit and Current Monitor
  • 5.2.7 Auxiliary Supplies
  • 5.2.8 Metering Circuit
• SECTION 6 - MAINTENANCE
  • 6.1 General
  • 6.2 Disassembly/Reassembly
  • 6.2.1 Cover Removal
  • 6.2.2 A1 Circuit Board Removal
  • FIGURE 6-1. A1 PC Board, Reassembly
  • 6.2.3 A5 Terminal Block Circuit Board Removal
  • 6.2.4 A3 Heat Sink Removal
  • 6.2.5 A4 Overvoltage Protection Circuit Board Removal
  • 6.2.6 Reassembly.
  • 6.3 Troubleshooting
  • TABLE 6-1. Auxiliary Supply Voltages
  • 6.4 Power Supply Measurements
  • 6.4.1 Required Test Equipment.
  • 6.4.2 Measurement Instructions
• SECTION 7 - ELECTRICAL PARTS LIST AND DIAGRAMS
  • 7.1 General
  • 7.2 Ordering Information
  • 7.3 Abbreviations Used in Kepco Parts Lists
  • 7.3.1 Reference Designators
  • 7.3.2 Descriptive Abbreviations
  • FIGURE 7-1. JQE 150-1.5MVPY-26956 Power Supply, Component Locations
  • FIGURE 7-2. JQE 150-1.5MVPY-26956 A1 Assembly, Component Locations
  • FIGURE 7-3. JQE 150-1.5MVPY-26956 A3 Assembly, Component Locations
  • FIGURE 7-4. JQE 150-1.5MVPY-26956 A3A1 Assembly, Component Locations
  • FIGURE 7-5. JQE 150-1.5MVPY-26956 A3A2 Assembly, Component Locations
  • FIGURE 7-6. JQE 150-1.5-26956 A4 Assembly, Component Locations
  • FIGURE 7-7. JQE 150-1.5MVPY-26956 A5 Assembly, Component Locations
  • FIGURE 7-8. JQE 150-1.5MVPY-26956, Overall Schematic Diagram
  • FIGURE 7-9. A1, Amplifier and Reference Board A1, Schematic Diagram
  • FIGURE 7-10. Overvoltage Protection and Current Monitor Board A4, Schematic Diagram
  • FIGURE 7-11. Output Terminals Board A5, Schematic Diagram