PPU/2/GS DEIF 并联和保护装置/GS 多线2

PPU/2/GS

2.1.1 installation of high voltage shunt capacitors
A device that is composed of a high-voltage shunt capacitor and corresponding primary and secondary auxiliary equipment and can operate independently or in parallel.
2.1.2 installation of low voltage shunt capacitors
A device consisting of a low-voltage shunt capacitor and corresponding primary and secondary components that can operate independently or in parallel.
2.1.3 complete set of installation for shunt capacitors. Complete set of installation for shunt capacitors
A complete set of shunt capacitors designed and assembled by the manufacturer to be supplied to the customer.
2.1.4 Single capacitor unit
An assembly consisting of one or more capacitor elements assembled in a single housing and having an outlet terminal.
2.1.5 capacitor bank
A group of single capacitors electrically connected together.
2.1.6 reactance ratio
The ratio of the inductive reactance of a series reactor to the capacitive reactance of a shunt capacitor bank, expressed as a percentage.
2.1.7 discharge device, discharge component, discharge component
Fitted inside or outside a capacitor to reduce the voltage between capacitor terminals for a specified time after the capacitor is removed from the power supply
A device or component that is low to a specified value.
2.1.8 series section of series section
In a combination of multiple capacitors, a single capacitor group in parallel with each other.
2.1.9 residual voltage Residual voltage
Residual voltage between capacitor terminals or between capacitor bank terminals after a single capacitor or capacitor bank is disconnected from the power supply.
2.1.10 inrush transient current
The overcurrent of a capacitor bank when it is put into the grid
2.1.11 external fuses External fuses
Installed outside a single capacitor and connected in series to remove the fuse of the capacitor in case of failure.
2.1.12 internal fuses Internal fuses
It is installed inside a single capacitor and connected in series with a component or group of components to remove the component or group in case of component failure
The fuse of
2.1.13 discharging capacity. Discharging Capacity
The capacity of the capacitor bank to which the discharger allows connection.
2.1.14 unbalance protection Unbalance protection
The protection consists of the current or voltage difference formed by the capacitance difference between the two related parts of the capacitor bank.