描述
产品简要说明
MAGNETEK CDBR-4220D是一款高性能变频器制动单元，专为处理大功率电机快速制动过程中产生的再生能量而设计。其核心功能包括：
能量消耗与稳定电压：通过制动电阻将再生电能转化为热能，稳定变频器直流母线电压
短时工作优化：支持ms级响应时间，适用于起重机、重型机械等短时高制动需求场景
模块化兼容性：与安川（Yaskawa）变频器系列无缝集成
产品详细说明
1.核心工作原理
能量回馈机制：
当电机处于再生制动状态时，动能转化为电能回馈至变频器直流母线，导致电压升高
制动单元触发条件：当母线电压超过预设阈值时（如480V），IGBT开关导通，电流通过制动电阻释放能量
动态调节：
电压闭环控制（精度±5%）
响应时间≤5ms（符合工业快速制动需求）
2.硬件设计解析
功率模块：
主电路采用IGBT（fs450r12ke3型号）
制动电阻功率：75W（支持并联扩展至220kW）
防护与散热：
防护等级IP65（防尘防水）
自然散热设计（无需风扇，适应-20℃至60℃环境）
3.通信与控制
协议兼容性：
支持EtherCAT、Modbus TCP协议
与变频器主控板通过RS485接口实时通信
参数配置：
启动电压、停止电压、电流限值可通过软件（如MagCtrl）设定
技术规格:MAGNETEK CDBR-4220D
参数项规格描述
额定电压DC 400-600V
最大电流65A（峰值120A）
制动功率75W（单模块）
响应时间≤5ms
防护等级IP65
工作温度-20℃至60℃
核心价值与性能亮点
1.快速制动优势
短时工况优化：
单次制动时间≤100ms，适用于起重机紧急停机、冶金设备快速降速等场景
制动转矩可达电机额定转矩的80%
2.能效管理
能量回收兼容：
支持与能量回馈装置联动（如与安川ACS800变频器配合）
能耗降低30%（相比传统电阻制动方案）
Product brief description
The MAGNETEK CDBR-4220D is a high-performance inverter brake unit designed to handle the regenerative energy generated during rapid braking of high-power motors.Its core functions include:
Energy consumption and stable voltage:convert regenerated electrical energy into thermal energy through brake resistors to stabilize the DC bus voltage of the inverter
Short-term work optimization:Supports ms level response time,suitable for short-term high braking demand scenarios such as cranes and heavy machinery
Modular compatibility:seamless integration with Yaskawa frequency converter series
Product details
1.Core working principle
Energy feedback mechanism:
When the motor is in regenerative braking state,kinetic energy is converted into electrical energy and fed back to the DC bus of the inverter,causing the voltage to rise
Braking unit trigger condition:When the bus voltage exceeds the preset threshold(such as 480V),the IGBT switch is turned on,and the current releases energy through the brake resistor.
Dynamic adjustment:
Voltage closed-loop control(accuracy±5%)
Response time≤5ms(comply with industrial fast braking requirements)
2.Hardware design analysis
Power module:
The main circuit adopts IGBT(fs450r12ke3 model)
Braking resistor power:75W(supports parallel expansion to 220kW)
Protection and heat dissipation:
Protection level IP65(dust-proof and waterproof)
Natural cooling design(no fans required,adapted to-20℃to 60℃environment)
3.Communication and Control
Protocol Compatibility:
Support EtherCAT and Modbus TCP protocols
Real-time communication with the inverter main control board through the RS485 interface
Parameter configuration:
Start voltage,stop voltage,current limit can be set through software(such as MagCtrl).
Technical Specifications:MAGNETEK CDBR-4220D
Parameters Specification Description
Rated voltage DC 400-600V
Maximum current 65A(peak 120A)
Braking power 75W(single module)
Response time≤5ms
Protection level IP65
Operating temperature-20℃to 60℃
Core Valuesand Performance Highlights
1.Fast braking advantages
Short-term working condition optimization:
Single braking time≤100ms,suitable for scenes such as emergency stop of cranes,rapid speed reduction of metallurgical equipment,etc.
Braking torque can reach 80%of the motor’s rated torque
2.Energy efficiency management
Energy recovery compatible:
Supports linkage with energy feedback device(such as cooperating with Yaskawa ACS800 inverter)
Energy consumption is reduced by 30%(compared to traditional resistor braking schemes)
