Self-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 […]
Read MoreSingle Phase Fully Controlled Full Wave Rectifier Calculator Fully Controlled Full Wave Rectifier Calculator Calculate the average DC output voltage for a single-phase fully controlled full-wave rectifier. Using the formula: \[ V_{dc} = \frac{2V_m}{\pi}\cos\alpha \] where \(V_m\) is the peak AC voltage and \(\alpha\) is the firing angle. * Enter the peak voltage (V) and […]
Read MoreOhm’s Law Calculator Ohm’s Law Calculator Calculate Voltage, Current, or Resistance using Ohm’s Law. Voltage: \( V = I \times R \) Current: \( I = \frac{V}{R} \) Resistance: \( R = \frac{V}{I} \) Step 1: Select Variable and Enter Parameters Select What to Calculate: Voltage Current Resistance Current, \( I \) (A): Example: 2 […]
Read MoreGMR of Two-Layer ACSR Calculator GMR of Two-Layer ACSR Calculator Calculate the effective Geometric Mean Radius (GMR) of a two-layer ACSR conductor. Using the formula: \[ \text{GMR}_{\text{eff}} = \left( \text{GMR}_{\text{steel}}^{n_s} \times R_{\text{alu}}^{n_a} \right)^{\frac{1}{n_s+n_a}} \] where: \( \text{GMR}_{\text{steel}} \) is the steel core GMR, \( R_{\text{alu}} \) is the effective radius for the aluminum layer, \( […]
Read MoreEffective Antenna Aperture Calculator Effective Antenna Aperture Calculator Calculate the effective aperture of an antenna using: \[ A_e = \frac{\lambda^2 \, G}{4\pi} \] where \(\lambda\) is the wavelength and \(G\) is the antenna gain (linear scale). * Enter the wavelength (m) and antenna gain (unitless). Step 1: Enter Parameters Wavelength, \( \lambda \) (m): Example: […]
Read MoreAir-Filled Rectangular Cavity Resonator Calculator Estimate the resonant frequency of an air-filled rectangular cavity resonator. Using the formula: \[ f_{mnl} = \frac{c}{2\pi}\sqrt{\left(\frac{m}{a}\right)^2 + \left(\frac{n}{b}\right)^2 + \left(\frac{l}{d}\right)^2} \] where \(c \approx 3 \times 10^8\) m/s. * Enter the cavity dimensions (in meters) and mode numbers (m, n, l). (For the common TE101 mode, use m=1, n=0, […]
Read MoreAir-Filled Circular Cavity Resonator Calculator Air-Filled Circular Cavity Resonator Calculator Estimate the resonant frequency of an air-filled cylindrical cavity (TE₀₁₁ mode). Using the formula: \[ f_{011} = \frac{c}{2\pi}\sqrt{\left(\frac{3.832}{a}\right)^2 + \left(\frac{\pi}{d}\right)^2} \] where \(c \approx 3 \times 10^8\) m/s. * Enter the cavity radius (a) and height (d) in meters. Step 1: Enter Resonator Parameters Cavity […]
Read MoreRectangular Waveguide Breakdown Power Calculator Rectangular Waveguide Breakdown Power Calculator Estimate the maximum power a rectangular waveguide can transmit before breakdown. Using the formula: \[ P_{br} = \frac{a \, b \, E_{br}^2}{2 \, Z_0} \] where \( Z_0 \approx 377\,\Omega \). * Enter the waveguide width (a), height (b) in meters, and breakdown electric field […]
Read MoreReflex Klystron Calculator Reflex Klystron Calculator Calculate the operating frequency of a reflex klystron using a linear tuning approximation. Using the formula: \[ f = f_c + k \,(V_r – V_c) \] where: \( f_c \) is the center frequency (MHz) at the reference voltage \( V_c \) (kV), \( V_r \) is the actual […]
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