klar electrical components Germany klar model klar price

klar electrical components are Zener diodes manufactured to provide voltage regulation by utilizing the reverse breakdown state of a PN junction, where the current can vary over a wide range while the voltage remains essentially constant. This diode is a semiconductor device that exhibits very high resistance up to the critical reverse breakdown voltage. At this critical breakdown point, the reverse resistance drops to a very low value; in this low-resistance region, the current increases while the voltage remains constant. Zener diodes are graded according to their breakdown voltage. Due to this characteristic, Zener diodes are primarily used as voltage regulators or voltage reference elements. Zener diodes can be connected in series for use at higher voltages, allowing higher stable voltages to be obtained through series connection.

klar electrical component function

The main purposes of disconnect switches (knife switches) are: 1, to isolate the power supply, disconnecting high-voltage maintenance equipment from live equipment to provide a clearly visible break point. 2, to coordinate with circuit breakers for switching operations as required by system operating modes, thereby changing the system wiring configuration. 3, to connect or disconnect low-current circuits. Disconnect switches can perform the following operations: make and break bypass currents of closed-loop switches; make and break grounding connections at transformer neutral points, but if an arc-suppression coil is connected to the neutral point, operation is permitted only when the system is fault-free; make and break voltage transformers and surge arresters; make and break capacitive currents of busbars and equipment directly connected to busbars; make and break no-load lines with capacitive currents not exceeding 5 amperes; three-gang disconnect switches can make and break loads with voltages of 10 kilovolts and below and currents below 15 amperes. When operating disconnect switches, note that when energizing a line, first close the busbar-side disconnect switch, then close the line-side disconnect switch, and finally close the circuit breaker. When de-energizing a line, first open the circuit breaker, then open the disconnect switch. Do not make or break high-voltage disconnect switches under load.

klar electrical component characteristics

Sensitivity refers to the ratio of the change in output to the change in input of a sensor under steady-state operating conditions. It is the slope of the output-input characteristic curve. If there is a linear relationship between the sensor's output and input, then the sensitivity S is a constant. Otherwise, it will vary with changes in the input. The dimension of sensitivity is the ratio of the dimensions of the output and input quantities. When the dimensions of the sensor's output and input quantities are the same, sensitivity can be understood as the amplification factor. Increasing sensitivity yields higher measurement accuracy. However, the higher the sensitivity, the narrower the measurement range, and stability is often poorer.

klar electrical component characteristics

Resolution refers to the ability of a sensor to detect the smallest change in the measured quantity. That is, if the input changes slowly from a non-zero value, the sensor's output will not change when the input change does not exceed a certain value, meaning the sensor cannot resolve this change in input. Only when the change in input exceeds the resolution will the output change. Typically, the resolution at various points within the full-scale range of a sensor is not identical; therefore, the maximum change in input within the full scale that causes a step change in output is commonly used as the indicator for measuring resolution. If the above indicator is expressed as a percentage of the full scale, it is called resolution. Resolution has a negative correlation with sensor stability.

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