Sorensen DCR-B 20-50B DC Power Supply Manuals

Manuals and User Guides for Sorensen DCR-B 20-50B DC Power Supply. We have 1 Sorensen DCR-B 20-50B DC Power Supply manual available for free PDF download: Instruction Manual

Sorensen DCR-B 20-50B Instruction Manual

Sorensen DCR-B 20-50B Instruction Manual (67 pages)

1000-Watt Power Supplies

Brand: Sorensen | Category: Power Supply | Size: 5 MB

Table of Contents

Table of Contents
3
Description
8
General
8
Automatic Crossover
8
Introduction
8
Remote Programming
9
Protection Features
9
Unit Shutdown Circuit
9
Parallel Operation
9
Remote Sensing
9
Series Operation
9
Optional Modifications
10
Specifications
10
Installation
12
General
12
Initial Inspection
12
Electrical Installation
12
Mechanical Installation
12
Current Mode
13
Voltage Mode
13
Electrical Check
13
Operation
14
General
14
Front Panel Controls and Indicators •••..••....••.... •.•.•..••
15
Control PCB Barrier Strip Connections
16
Voltage Mode Operation
17
Local Sensing
17
Remote Sensing
17
Resistance Pro G Rammin G
19
Illustration of Load Lead Resistance (Remote Sensing)
19
Voltage Mode Programming Connections
20
Signal . P Rogramming
21
Current Mode Operation
21
Si G Nal Pro G Rammin G
21
Alternate Current Programming Method
23
DCR-B Interconnections ( Current Programming) •••••••.•••.••
24
Parallel Operation
25
Direct Paralleling
25
Master/ Slave Paralleling
26
Direct Parallel Connections
26
Master/ Slave Connections, Parallel Operation
27
Direct Series Connections
27
Series Operation
27
Master/ Slave Connections
29
Master/Slave Connections Series Operation
29
RA/RB Values--Two Identical DCR-B Units Series Connected
30
Unit Shutdown Circuit
31
Ovp
31
OVP Adjustment
31
Theory of Operation
33
Introduction
33
Phase Control Firing Angles
33
Phase Control Principle
33
DCR-B Functional Block Diagram
34
Block Diagram Analysis
35
Detailed Circuit Description
35
Reference and Bias Supplies
35
Current· L\1Ode Section
37
Ramp Generator, Reset Circuit and Comparator
37
Power Section
38
Overvoltage Protector
38
Turn-On and Shut-Down Circuits
38
Blocking Oscillator Q2
38
Indicator Lamps
39
Maintenance
40
General
40
Periodic Servicing
40
Troubleshooting
40
Calibration
40
Current Mode Section, Limit Settings
41
Performance Test Setup
42
Voltage Mode Regulation and Rip Ple
42
Performance Testing
42
Current Mode Regulation
43
Transient Response
43
Hi-Pot Test Procedure
44
Component Layout, Typical Assembly
50
DCR 20-50B Schematic Diagram
52
DCR 40-25B Schematic Diagram
53
DCR 80-12B Schematic Diagram
55
OVP PCB Schematic and Component Location
65
DCR-B Outline Drawing
67

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