A, use
AZYM-4 analog circuit breaker is mainly used for power-off protection device for power system relay protection screen or set the group test, can be used to simulate the real circuit breaker tripping time. Simulation of high voltage circuit breaker tripping and closing in the group test, in order to avoid the bad influence of repeated the group test caused by repeated division brings the circuit breaker.
Two, the principle of circuit breaker
The circuit breaker adopts full digital circuit, digital dial setting time, can realize the simulation of circuit breaker tripping time setting, three phase / phase operation choice, input signal logic control functions, thereby simulating circuit breaker jump, closing action.
Three, the use of methods
(1) the instrument switching power supply voltage is DC220V and the DC110V two file from the application, must choose good resistance and input voltage matching before test.
(2) the analog circuit breaker can simulate the split phase operation of circuit breaker, and can simulate three phase operation of circuit breaker tripping impedance, selection is 440 in Europe, 220 in Europe, 110 in Europe, 55 in Europe any, when the analog phase operation of circuit breaker tripping, the input terminal are respectively A combination, A jump, B B C, jump, jump, C; when the simulation of three phase operation of circuit breaker tripping, the input terminal of three jump, three. In addition, the panel is also provided with a manual switch and manual trip button, and a tripping signal lamp, respectively A, B, C three red lights and A jump, B jump, C jumped three green lights, in the simulation of three phase operation of circuit breaker, A, B, C three-phase signal lamp at the same time Ming De.
(3) is provided with a relay A, B, C output two groups of switching contacts in the simulation loop, complete isolation and power operation, cooperate with Microcomputer - based protective relay test device.
(4) can be simulated circuit breaker tripping and closing time simulation, time is set to switch setting, high precision. Tripping time setting range is 20-200ms.
Four, technical indicators
Power supply: AC220V + 10%
Tripping operation as power supply voltage: DC220V, DC110V + 10%
Tripping impedance of 440 ohm, 220 ohm, 110 ohm, 55 ohm,
Tripping time selection: 20-200ms
Analog circuit breaker normally closed / normally open contact capacity: AC220V/5A.

                     一、用途

  AZYM-4型模拟断路器主要用于电力系统断电保护装置或成套继电保护屏的整组试验，可真实地模拟断路器的跳合闸时间。在整组试验时模拟高压断路器的跳闸及合闸，以避免由于重复的整组试验造成断路器反复分合带来的不良影响。

二、断路器原理

  该断路器采用全数字电路，时间为数字拨码设置，可实现模拟断路器跳合闸时间设置、三相/分相操作选择、输入信号逻辑控制等功能，从而模拟断路器的跳、合闸动作。

三、使用方法

  (1)本仪器跳合闸电源电压为DC220V与DC110V两档自适用，试验前必须选择好电阻与输入电压匹配。
  (2)本模拟断路器可以模拟分相操作断路器，也可模拟三相操作断路器，跳合闸阻抗选择为440欧、220欧、110欧、55欧任意选择，当模拟分相操作断路器时，其跳合闸输入端子分别为A合、A跳、B合、B跳、C合、C跳；当模拟三相操作断路器时，其跳合闸输入端子为三跳、三合。另外，面板上还设有手动合闸和手动跳闸按钮，并设有跳合闸信号灯，分别为A合、B合、C合三个红色信号灯和A跳、B跳、C跳三个绿色信号灯，在模拟三相操作断路器时，A、B、C三相信号灯同时明灭。
  (3)在模拟回路中设有继电器A、B、C各输出二组转换触点，与操作电源完全隔离，可与微机型继电保护试验设备进行配合。
  (4)模拟断路器可模拟跳闸和合闸时间，时间设置为拨码开关设置，精度高。跳合闸时间设置范围为20-200ms。

四、技术指标

  供电电源：AC220V±10%
  跳合闸操作为电源电压：DC220V、DC110V±10%
  跳合闸阻抗选择：440Ω、220Ω、110Ω、55Ω
  跳合闸时间选择：20-200ms
  模拟断路器常闭/常开接点容量为：AC220V/5A。