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220V 10K-RCD负载

KSource220V-10k RCD load box
Product Overview

RCD load is a kind of nonlinear load, by the diode (D) resistance (R)) capacitance (C)) composition, generally also known as rectifier load;

The biggest characteristic of RCD load is: when the load applies sinusoidal voltage, due to the nonlinear characteristics, the current waveform is not sinusoidal, but has the characteristics of spikes and interruptions.



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Application field

RCD AC non-linear load is mainly used for the performance testing and aging test of AC electrical products with non-linear loads in the departments of electric power, ships, radio and television, telecommunication and other manufacturers of UPS, inverters, switching power supplies and so on;

Product details

一. 概述

RCD负载是一种非线性负载,由二极管(D)电阻(R))电容(C))组成,一般也称整流性负载;

RCD负载最大特点是:负载施加正弦波电压时,由于非线性特征,电流波形不是正弦波,而是具有尖峰和间断特征;

image   image

(理论上电压波形是正弦波,但实际应用中电压波形削顶或缺角);

RCD交流非线性负载主要用于电力、船舶、广电、电信等部门以及UPS、逆变器、开关电源、等生产厂家的交流电器产品带非线性负载类的性能检测和老化测试;

 

二. 整机示意图:

1. 尺寸:W*D*H 560*580*850mm;

2. 颜色:RAL7035;

 

 image.png

 

 

一. 操作-面板:

image 

1. 闭合“工作电源”开关,开关指示灯亮,风扇转动,表头启动;

2. 如有负载输入,“负载指示”灯亮,表头会显示输入电压;

3. 如需对机器进行断路投载,向上闭合“短路”断路器,测试完成后向下拨到OFF;

4. 按SOP,选择带载模式:R载或RCD载;

5. 选择所需的R载,向上闭合对应断路器,多个自由组合;

6. 选择所需的RS载,向上闭合对应断路器,多个自由组合,R载模式不用闭合RS档);

7. 选择所需的C载,向上闭合对应断路器,多个自由组合,R载模式不用闭合C载档);

8. 最后闭合“总投载”进行带载测试;

9. 带载测试完成后,请先断开“总投载”,再断开R载C载 RS开关;过5~10分钟负载温度降到安全范围后再断开“工作电源”开关;

10. 如果负载内部温度过高,过温报警器会声光报警,同时会切断负载带载;

11. 在带载进行中,表头会显示实际的电压/电流/功率/PF,以作测试参考用;

12. R载模式参数表:

R档位

R1

R2

R3

R4

R5

R6

R7

R8

R9

R10

合计

22V功率W

50

100

200

200

500

1000

2000

2000

2000

2000

10050W

 

13. RCD模式参考 参数表:

RS档位

RS1

RS2

RS3

RS4

RS5

RS6

RS7

RS8

RS9

合计 

阻值

20Ω

10Ω

0.5Ω

0.5Ω

0.25Ω


最大电流

5A

10A

10A

10A

15A

25A

25A

25A

60A


C载档位

C1

C2

C3

C4

C5

C6

C7

C8

C9


电容 UF

150UF

300UF

600UF

600UF

150UF

3000UF

6000UF

6000UF

6000UF


PF=0.7参考 W

80

160

315

315

780

1570

3100

3100

3100

12KW

PF=0.7 参考VA

110

220

450

450

1100

2200

4500

4500

4500

18KVA

 

在RCD模式下,可以调整负载功率因数PF值;方法如下:

1) 减小PF值:R载不变时减小RS阻值可以明显减小PF值,改变C载容值效果不明显;

2) 增大PF值:R载不变时增大RS阻值可以明显增加PF值,改变C载容值效果不明显;

3) 备注:RCD非线性负载模式下PF值取决与机器输出波形待非线性负载能力有关,即非线性负载下正弦波失真度;要根据机器实际情形调节RS值以达到所需求的PF值;

 

二. 维修示意图:

 

image 

三. 注意事项:

1. 确认工作电源:单相220VAC/50HZ;

2. 负载输入:单相220VAC/50HZ;

3. 短路投载完成后,需把断路器拨到OFF;

4. 检查负载进风口和出风口无遮挡,出风口上方到遮挡物保持50cm以上距离;

5. 负载出风为高温,不要对准人出风,以免高温伤人;

6. 不要把易燃品或不耐高温物品放置在出风口处,以免损伤物品;

7. 带载测试完成后,最后让风扇再工作过5~10分钟,再断开“工作电源”开关,以免高温烤坏风扇;

8. 对于RCD负载在RCD模式下,在关断开关时容易产生直流拉弧而损坏档位开关,请遵循以下操作顺序,否则会烧毁断路器:

1) 投载时:先闭合R载C载→再闭合RS→最后闭合总投载;

2) 卸载时:先断开总投载→再断开RS→最后断开R载C载;



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