Abstract:
The present invention provides a capacitive voltage transformer, including: a capacitive voltage-dividing component and an electromagnetic unit. The capacitive voltage-dividing component comprises: one or more levels of stacks, and each stack is a coupling capacitor. The coupling capacitor includes: an upper cover plate, a lower cover plate, an insulating sleeve, a capacitor core, squirrel cage electrodes, volume matching devices, a high voltage lead, and a low voltage lead. The lowermost coupling capacitor is provided with a medium voltage lead and a lead terminal. The low voltage lead of the lowermost coupling capacitor is led out through a low-voltage leading-out tube arranged in the lead terminal, and the medium voltage lead of the lowermost coupling capacitor is led out through a medium-voltage leading-out post arranged in the lead terminal. The medium-voltage leading-out post passes through and out of the low-voltage leading-out tube and is arranged coaxially with the low-voltage leading-out tube.
Abstract:
A capacitor module that includes: a case defining an interior space; a sealing resin in the interior space; one or more capacitors in the sealing resin; a first bus bar and a second bus bar each having a contact portion that is in contact with an electrode of the one or more capacitors, a buried portion in the sealing resin and extending from the contact portion, and an exposed portion that extends from the first buried portion outside the sealing resin, wherein at least one of the first contact portion, the second contact portion, the first buried portion, and the second buried portion define one or more through holes that are filled with the sealing resin or include one or more protrusions surrounded by the sealing resin.
Abstract:
An electrified vehicle according to an exemplary aspect of the present disclosure includes, among other things, an electric machine electrically coupled to a battery pack through an inverter. Further, the inverter includes a capacitor with an internal cooling channel. A method is also disclosed.
Abstract:
An improved multilayered ceramic capacitor is provided wherein the capacitor has improved heat dissipation properties. The capacitor comprises first internal electrodes and second internal electrodes wherein the first internal electrodes are parallel with, and of opposite polarity, to the second internal electrodes. Dielectric layers are between the first internal electrodes and second internal electrodes and a thermal dissipation channel is in at least one dielectric layer. A thermal transfer medium is in the thermal dissipation channel.
Abstract:
A device and its method of manufacture, the device configured for providing electrical energy storage of high specific energy density. The device contains one or more layers of high dielectric constant material, such as Barium Titanate or Hexagonal Barium Titanate, sandwiched between electrode layers made up of one or more of a variety of possible conducting materials. The device includes one or more electrically insulating layers including carbon, such as carbon formed into diamond or a diamond-like arrangement, for insulating the electrode(s) from the dielectric layer(s) to provide for very high breakdown voltages with good heat conductivity. The layers can be created by a variety of methods including laser deposition, and assembled to form a capacitor device provides the high energy density storage.
Abstract:
Disclosed is a high-voltage AC capacitor for reactive power compensation of 10 kV-35 kV power grid, and in particular to a high-voltage AC capacitor with a high-voltage switching switch provided therein, as well as a structure for prolonging the service life of a thin film metalized high-voltage capacitor and a control method for prolonging the service life of the thin film metalized high-voltage capacitor. The AC capacitor is formed by multiple intelligent switch capacitor units connected in series, and each capacitor unit is formed by a switch contact (K11-Kn1) and a capacitor (C1-Cn) connected in series. If there are N capacitor units, when each switch contact is disconnected, the endurable voltage of each switch contact, the endurable voltage between the switch contact and a coil and the voltage each capacitor withstands are 1/Nth of the total voltage; when the switch operates, all the contacts operate at the same instant.
Abstract:
Disclosed herein is a multilayer ceramic device, including a device body; an inner electrode arranged in the device body; and an external electrode arranged at outside of the device body and being electrically connected to the inner electrode; wherein the external electrode includes: an inner layer covering the device body; an outer layer covering the inner layer and being exposed to the outside; and an intermediate layer arranged between the inner layer and the outer layer, and made of a mixture of a copper metal and a resin, a surface of the copper metal being coated with an oxide film.
Abstract:
A highly temperature-stable capacitor for taking measurements on a high-voltage line, said capacitor having a high-voltage electrode (HT), an annular printed circuit (CI) surrounding said high-voltage electrode (HT) coaxially and having at least one electrically conductive track that forms a low-voltage electrode (BT), said capacitor being characterized in that the printed circuit (CI) also has at least one temperature-sensitive resistor (TH).
Abstract:
Ceramic dielectric compositions for temperature compensating capacitors, exhibiting a high dielectric constant, a relatively small temperature coefficient of dielectric constant and a very excellent linearity of the temperature coefficient, comprising 1.2-19.0% by weight of SrO, 12.2-17.4% by weight of CaO, 35.8-43.9% by weight of TiO.sub.2, 15.7-37.6% by weight of Bi.sub.2 O.sub.3, 1.9-14.6% by weight of Pb.sub.3 O.sub.4 and 0.9-2.7% by weight of MgO.
Abstract translation:用于温度补偿电容器的陶瓷电介质组合物,具有高介电常数,相对较小的介电常数温度系数和非常优异的温度系数线性,其包含1.2-19.0重量%的SrO,12.2-17.4重量%的CaO ,35.8-43.9重量%的TiO 2,15.7-37.6重量%的Bi 2 O 3,1.9〜14.6重量%的Pb 3 O 4和0.9〜2.7重量%的MgO。