Tension in Transmission Line Calculator Tension in Transmission Line Calculator Estimate the maximum tension in a transmission line using: \[ T = \sqrt{\left(\frac{wL^2}{8S}\right)^2 + \left(\frac{wL}{2}\right)^2} \] * Enter weight per unit length (N/m), span (m), and sag (m) (with sag less than span). Step 1: Enter Parameters Weight per Unit Length, \( w \) (N/m): […]
Read MoreAngle of Loading of Conductor Calculator Angle of Loading of Conductor Calculator Calculate the loading angle at the supports of a sagging transmission line. Using the formula: \[ \theta = \arctan\left(\frac{4S}{L}\right) \] where \(S\) is the sag and \(L\) is the span. * Enter the span (m) and sag (m). Step 1: Enter Parameters Span, […]
Read MoreRuling Span of Transmission Line Calculator Ruling Span of Transmission Line Calculator Calculate the ruling span using: \[ L = \sqrt{\frac{8\,T\,S}{w}} \] where \(T\) is the maximum tension, \(S\) is the sag, and \(w\) is the weight per unit length. * Enter values in SI units. Step 1: Enter Transmission Line Parameters Maximum Tension, \( […]
Read MoreCorona Inception Voltage Calculator Corona Inception Voltage Calculator Estimate the corona inception voltage using Peek’s empirical relation. Formula: \[ V_{ci} = 2110\, m_0\, \delta\, r \ln\left(\frac{D}{r}\right) \] (with \(r\) and \(D\) in meters, result in kV) * Enter the conductor radius, spacing, air density factor, and surface condition factor. Step 1: Enter Parameters Conductor Radius, […]
Read MoreVisual Corona Inception Voltage Calculator Visual Corona Inception Voltage Calculator Estimate the corona inception voltage using Peek’s empirical relation. Formula (for a bare conductor in air): \[ V_{ci} = 2110\, m_0\, \delta\, r \ln\left(\frac{D}{r}\right) \] where \(r\) and \(D\) are in meters (converted to cm internally), \(V_{ci}\) is in kilovolts. * Enter the conductor radius, […]
Read MoreCorona Loss using Peek’s Empirical Relation Calculator Corona Loss Calculator Estimate the corona loss on an overhead conductor using Peek’s empirical relation. Using the formula: \[ P_c = 242.4\, f \left(\frac{V}{V_0} – 1\right)^2 \quad \text{(W/mile)} \] where \(V\) is the operating voltage (kV) and \(V_0\) is the disruptive voltage (kV). * Enter frequency (Hz), operating […]
Read MoreMaximum Torque in Induction Motor Calculator Maximum Torque in Induction Motor Calculator Calculate the maximum torque of an induction motor using: \[ T_{max} = \frac{3V^2}{2\omega_s\,X_s} \] where \( \omega_s = \frac{2\pi n}{60} \). * Enter the phase voltage (V), synchronous speed (rpm), and synchronous reactance (Ω). Step 1: Enter Motor Parameters Phase Voltage, \( V […]
Read MoreSelf-Excited Series DC Motor Calculator Self-Excited Series DC Motor Calculator Calculate key parameters for a self-excited series DC motor. Using the formulas: Field Current: \( I_f = \frac{V}{R_f} \) (since in series, \( I_f = I \)) Effective Flux: \( \phi = k_f \, I \) Back EMF: \( E_b = V – I (R_a […]
Read MoreSelf-Excited Shunt DC Motor Calculator Self-Excited Shunt DC Motor Calculator Calculate key parameters for a self-excited shunt DC motor. The motor is modeled using: Field Current: \( I_f = \frac{V}{R_f} \) Effective Flux: \( \phi = k_f \times I_f \) Back EMF: \( E_b = V – I_a R_a \) Motor Speed: \( \omega = […]
Read MoreTorque in Induction Motor Calculator Torque in Induction Motor Calculator Calculate the motor torque using: \[ T = \frac{60\,P}{2\pi\,n} \] where \(P\) is power in watts and \(n\) is speed in rpm. * Enter the mechanical power (W) and speed (rpm). Step 1: Enter Parameters Mechanical Power, \( P \) (W): Example: 5000 W Rotational […]
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