Motor Top Speed RPM Calculator Motor Top Speed RPM Calculator Calculate the top (no-load) speed of an induction motor. Using: Synchronous Speed: \( n_{sync} = \frac{120\, f}{P} \) Top Speed: \( n_{top} = n_{sync}(1 – s) \) * Enter supply frequency (Hz), number of poles, and slip (as a decimal; e.g., 0.03 for 3%). Step […]
Read MoreStepper Motor Maximum Speed and Power Calculator Stepper Motor Maximum Speed and Power Calculator Calculate the maximum speed and power consumption of a stepper motor. Maximum Speed: \(\text{RPM} = \frac{f \times \theta}{6}\) Power Consumption: \(P = 2 \times \frac{V^2}{R}\) * Enter the maximum step frequency \(f\) (steps/sec), step angle \(\theta\) (degrees), motor voltage \(V\) (volts), […]
Read MoreSynchronous Speed Calculator Synchronous Speed Calculator Calculate the synchronous speed of an AC motor using: \[ n_s = \frac{120 \, f}{P} \] where \(f\) is the frequency (Hz) and \(P\) is the number of poles. * Enter the supply frequency and the number of poles. Step 1: Enter Parameters Frequency, \( f \) (Hz): Example: […]
Read MoreWideband Differential Amplifier Calculator Wideband Differential Amplifier Calculator Calculate the differential gain of a wideband differential amplifier using: \[ A_d = \frac{R_2}{R_1} \] Optionally, if the op-amp’s gain–bandwidth product (GBW) is known, estimate the -3 dB bandwidth: \[ f_{3dB} = \frac{\text{GBW}}{A_d} \] * Enter resistor values in ohms and GBW in Hz (optional). Step 1: […]
Read MoreACSR Analysis Calculator ACSR Analysis Calculator Analyze an ACSR conductor by calculating its effective GMR and weight per unit length. Effective GMR: \[ \text{GMR}_{\text{eff}} = \left( \text{GMR}_{\text{steel}}^{n_s} \times \text{GMR}_{\text{alu}}^{n_a} \right)^{\frac{1}{n_s+n_a}} \] Total Weight: \[ w_{\text{eff}} = n_s \times w_{\text{steel}} + n_a \times w_{\text{alu}} \] * Enter values in SI units. Step 1: Enter Conductor Parameters […]
Read MoreThree Phase Electric Power Calculator Three Phase Electric Power Calculator Calculate the power delivered by a balanced three‑phase system using: \[ P = \sqrt{3}\, V \, I \, \text{PF} \] * Enter the line-to-line voltage (V), line current (A), and power factor (0 to 1). Step 1: Enter Parameters Line-to-Line Voltage, \( V \) (V): […]
Read MoreElectric Motor HP to Amps Calculator Electric Motor HP to Amps Calculator Convert electric motor horsepower (HP) to amps. For a single-phase motor: \( I = \frac{HP \times 746}{V \times \eta} \) For a three-phase motor: \( I = \frac{HP \times 746}{\sqrt{3} \times V \times \eta} \) * Enter the motor HP, supply voltage (V), […]
Read MorePower Transfer Angle Calculator Power Transfer Angle Calculator Calculate the power transfer angle using the formula: \[ \delta = \arcsin\left(\frac{P X}{3EV}\right) \] * Enter the transferred power (MW), sending-end voltage (kV), receiving-end voltage (kV), and line reactance (Ω). Step 1: Enter Parameters Transferred Power, \( P \) (MW): Example: 50 MW Sending-End Voltage, \( E […]
Read MoreSag of Transmission Line Calculator (Same Height Supports) Sag of Transmission Line Calculator Calculate the sag of a transmission line with supports at the same height. Using the formula: \[ S = \sqrt{\frac{L \,(L_c – L)}{8}} \] where \(L\) is the horizontal span and \(L_c\) is the cable length. * Enter span (m) and cable […]
Read MoreTransmission Line Sag Calculator (Unequal Supports) Transmission Line Sag Calculator (Unequal Supports) Calculate the effective sag of a transmission line when supports are at different heights. For a level line, the sag is approximated by: \[ S_0 \approx \sqrt{\frac{L(L_c – L)}{8}} \] For supports at different elevations, the effective sag (relative to the lower support) […]
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