2. Fixed resistor selectionThere are many types of fixed resistors, and the choice of which material and structure of the resistor, the ci...
The calculation formula of hollow coil inductance: l= (0.01*D*N*N) / (L/D+0.44) coil inductance: l, unit: microhenryThe control circu...
Agilent Handheld Digital Multimeter U1253A FeaturesU1253A is an extension of the Agilent U1250 Series Handheld Digital Multim...
The role of the transformer gas relay isGas relay in oil filled transformer, used as the main protection of internal fault of transformer ...