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We Provide custom Air coils and current shunt resistor&Dynamic aluminium resistors with expert production management, ensuring smooth operations and helping you excel in the market
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First, let's talk about the definition of the inductor quality factor Q. The Q value is the main parameter for measuring inductor devices. It refers to the ratio of the inductive reactance to its equivalent loss resistance when the inductor works under an AC voltage of a certain frequency. The higher the Q value of the inductor, the smaller its loss and the higher its efficiency. The quality factor Q is an important parameter that reflects the quality of the coil. Improving the Q value of the coil can be said to be one of the key points to pay attention to when winding the coil. So, how to improve the Q value of the winding coil? The following are specific methods: 1. According to the working frequency, select the wire of the coil Inductor coils working in the low frequency band are generally wound with insulated wires such as enameled wire. In circuits with oper...
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The aluminium housing acts as a heat sink, rapidly dissipating heat during high-power operations. This is crucial for maintaining stability and reliability in systems that generate a lot of heat
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Real-World Applications of IEC Inlet EMC Filters IEC inlet EMC filters are widely used in various industries and applications to ensure electromagnetic compatibility (EMC) and protect electronic devices from electromagnetic interference (EMI). Here are a few examples of how these filters are used in real-world scenarios: Industrial Machinery In industrial settings, EMC filters are essential for protecting sensitive electronic components and control systems from interference. IEC inlet EMC filters are commonly used in industrial machinery such as CNC machines, robotic systems, and manufacturing equipment. By filtering out unwanted noise and spikes in the power supply, these filters help ensure reliable operation and prevent costly downtime[1][3]. Medical Equipment Medical devices, such as diagnostic imaging systems, patient monitors, and su...
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Calculating the dynamic braking resistor for a Variable Frequency Drive (VFD) involves determining the required resistance value and power rating. Here’s a step-by-step guide: 1. Determine the System Parameters: - Motor Power (P): in kW or HP. - DC Bus Voltage (Vdc): typically provided by the VFD manufacturer. - Braking Torque (Tb): as a percentage of the motor’s rated torque. -Braking Time (Tb_time): the duration for which braking is applied. Deceleration Time (Td): the total time to decelerate the motor. 2. Calculate the Required Braking Power: The braking power can be estimated using the motor power and the braking torque. \[ P_b = P \times \frac{Tb}{100} \] Where: - \( P_b \) = Braking power in kW - \( P \) = Motor power in kW - \( Tb \) = Braking torque as a percentage of rated torque &n...