Technical Explanation for Motor Protective Relay CSM_EPSC_PS_TG_E_2_3 Introduction Functions Required of Motor Protective Relays Motor Protective Relay applications can be grouped by purpose into the follo
The utility model relates to a digital motor fire protection device. A digital signal processor DSPIC is connected with a display and keyboard operation unit, a computer remote communication setting and a temperature acquisition module. The temperature acquisition module is connected with seven ...
connected to the inverting input, while the non-inverting input available on the CIN pin can be connected to an external shunt resistor to implement the overcurrent protection function. When the comparator triggers, the device enters the shutdown state. The com...
3.Calculation for Settings of Percentage Braking Type Generator Longitudinal Differential Protection比率制动式发电机纵差保护的整定计算 4.current ratio流动比率(会计学) 5.control the rate of控制…的比率/速度 6.modulation frequency-carrier ratio调制频率-载波比率 7.Power Comparison Control Strategy and Simu...
Section 430-32 requires continuous-duty motors of more than 1 horsepower to have overload protection. 1 The FLC given on the nameplate of the motor is used for this calculation (50 A). 2 Determine the multiplier from Section 430-32 (125%). 3 Multiply 1.25 × 50 A (62.5 A). 4 ...
The collector in the field effects transistor FEX is connected to one side of relay coil COi, the other side of which is connected to a 12 volt power supply +12 VEX. A standard diode D2 is connected across the coil for protection. Relay REL, which is driven by coil COi represents the...
The collector in the field effects transistor FEX is connected to one side of relay coil COi, the other side of which is connected to a 12 volt power supply +12 VEX. A standard diode D2 is connected across the coil for protection. Relay REL, which is driven by coil COi represents the...
2.4.1.7 Over Current Protection of DRV7308 DRV7308 provides overcurrent protection (OCP) reference voltage setting for the internal phase comparators. Figure 2-7 shows OCP reference voltage setting, then this reference voltage is used to compare to voltages on shunt resistor(R83). The exact over...
• Up to 1.5 kW power output, 72kHz switching frequency, digital control interleaved boost PFC with power factor >0.95 and <5% THD from medium to full load over entire operating voltage range, robust adjustable voltage output with voltage and current fault protection. Applications • Air ...
(PowerPAD™) – 4.0 × 4.0 × 0.9 mm • Protection Features: – VM Undervoltage Lockout (UVLO) – Charge Pump Undervoltage (CPUV) – Overcurrent Protection (OCP) – Pre-Driver Fault (PDF) – Thermal Shutdown (TSD) – Fault Condition Output (nFAULT) 2 Applications • Industrial ...