Circuit breakers

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Dynamic Braking Unit Manual

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Dynamic Braking Unit Manual

Table of Contents

Table of Contents2
Safety Precautions5
Inspection6
Installation6
Running Environment6
Ambient Environment6
Outline Dimensions7
Product Name, Model Definition and Use7
Installation Instruction and Parameter Setting8
Regulation10
Voltage Selection Setup10
Parallel Operation11
Fault Analysis and Handling12
Model Selection Specification13
Braking Voltage Reference13
Calculation of Braking Resistance and Braking Current (Calculated by 100% Braking Torque)13
Calculation and Selection of Braking Resistor (Calculated by 100% Braking Torque)14
Input Voltage Class Specifications and Model Selection for 380V Vfds15
Input Voltage Class Specifications and Model Selection for 660V Vfds16
Braking Resistor Selection17
Safety Precautions19
Overview20
Overall Technical Characteristics20
Nameplate Description21
Series Models21
Outline Dimensions23
Unpacking Inspection24
Disassembly and Installation25
Running Environment Conditions25
Installation Space and Distance26
Installation Dimensions of External Keypad27
Disassembly and Installation of the Cover Plate27
Wiring28
Wiring Terminal Diagram and Function Description28
Main Circuit Terminals and Function Description28
Control Circuit Terminals and Function Description29
Standard Wiring Diagram30
380V 7.5Kw-75Kw30
380V 90Kw-220Kw/660V 55Kw-250Kw/1140V 55Kw-160Kw31
Operations32
Operation Panel Description32
Panel Diagram32
Key Function Description32
Indicator Description33
Function Parameter List34
Function Description37
Troubleshooting39
Maintenance41
Routine Maintenance41
Periodic Maintenance41
Wearing Part Replacement42

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