What is the difference between plate comb capacitor and parallel plate capacitor?

Compared to parallel plate capacitor, the distance of the plate comb capacitor between two conductors is more comparable with the dimensions of their surfaces. Due to this geometric complexity, the electric field will be no longer uniform near the edges, and the field out of the space between two surfaces can not be neglected.

What are the three types of capacitors?

Three types of capacitors, i.e., parallel capacitor, plate comb capacitor, sector comb capacitor are introduced by means of which the problem of determining the electrostatic forces associated with the fringe fields could be solved within appropriately modified models and formulations.

Which capacitance meter is used for comb-finger actuation?

A HP4284A capacitance-meter was utilized to apply the dc bias and the sinusoidal excitation to one of the stators. The voltages used to actuate the comb-finger structures were in the range 10–30 V. Fig. 9. Experimental setup for CV measurements.

What is k in a plate comb capacitor?

where k is the effective constant of the springs or beams of the capacitor. Compared to parallel plate capacitor, the distance of the plate comb capacitor between two conductors is more comparable with the dimensions of their surfaces.

Is the capacitance of a vertical electric field sensor negligible?

For the vertical electric field sensors, it is assumed that the capacitance is negligible when the shielding electrode and the sensing electrode are aligned. The absolute value of the capacitance when in the staggered position is the amount of change in the capacitance ( Δ C ).

How do you calculate y in a capacitor?

Electrodes are defined by coupling VOLT degrees of freedom on the major surfaces of the capacitor. The bottom electrode is grounded, and a voltage load V is applied to the top electrode. Electric admittance (Y) is calculated at ten frequencies between 0 and 1 MHz using the reaction current on the loaded electrode.