Complete HV Shunt Capacitor K - Represents open-delta voltage protection L - Represents neutral wire unbalanced current protection Q - Represents bridge current differential protection 1.2.7 Endnote No.: indicates the difference in the application environment for products of the same specifications W - Represents outdoor application (not expressed in letters) G - Represents application in plateau TH - represents application in wet tropics H - Represents application in contaminated areas Representing: shunt capacitor, with the rated system voltage of lOkV, the rated capacity of 10,000kVar and...

Complete HV Shunt Capacitor a) The capacitance tolerance of the capacitor bank shall be 0 ~ +5% of the rated capacity for the device; b) The ratio of the maximum and minimum capacitances between the terminals for any two lines of the three-phase capacitor bank shall be no more than 1.02; c) The ratio of the maximum and minimum capacitances for each series section of the capacitor bank shall be no more than 1.01. a) When a series reactor is provided in the device and in case of the rated current, for a reactor with the rated reactance ratio K>4.5%, the allowable deviation for its reactance value...

Complete HV Shunt Capacitor For a framed device, the temperature rise at the connection point between its busbars and each connection point in the main circuit shall be no more than 50K. The temperature rise of each electrical equipment shall not exceed its own stipulated value. For a cabinet device, apart from that the temperature rise of each electrical equipment does not exceeds its own stipulated value, all the other equipment shall conform to the relevant regulations. 3.5 Short-circuit Current Withstand Capability The electrical equipment, connecting wires and mechanisms in the major loop...

Complete HV Shunt Capacitor The device shall restrict the rush current generated when putting the capacitor bank into service to less than 20 times of the rated current of the capacitor bank. The switching device selected for the device shall not product an interelectrode overvoltage more than 2^p2Un (peak value) during operation. 4 Main Structure of Complete Shunt Capacitor The main circuit and auxiliary equipment of the complete capacitor include: HV circuit breakers, series reactors, discharge components, metal oxide arresters, capacitor banks, HV isolators, earthing switches, electrical fittings...

Complete HV Shunt Capacitor inductive reactance for each phase of (4.5 ~ 6%) Xc; c) When used to suppress triple harmonics or above, it shall select a reactor with the rated inductive reactance for each phase of (12~ 13%) Xc; The discharging device shall adopt a discharge coil special for the capacitor, with the rated voltage no less than the rated voltage of the capacitor bank and the maximum supporting capacity no less than the capacity of its capacitor in parallel. The discharge time of the discharge coil shall reduce the residual voltage on the capacitor bank from the peak rated voltage value...

Complete HV Shunt Capacitor Protection modes for the capacitor include internal fuse protection, external fuse protection and relay protection, etc. Internal fuse protection and external fuse protection are the first protection against internal faults in the capacitor. The fusing can timely isolate the damaged element or the capacitor unit, ensuring the overall safe operation of the capacitor. See the supplementary specifications for the relay protection and setting for complete shunt capacitors. 5.1.1 Allowed overvoltage multiples for complete elements of capacitor banks with an internal fuse:...

Complete HV Shunt Capacitor 6.1.1 The device shall be packed separately according to the packing list. The outdoor capacitor bank shall be shipped as a whole during transportation with other accessories (reactors, discharge coils and post insulators, etc.) packed and shipped in separate. 6.1.2 When loading, unloading and hoisting the packing case, it shall not damage the equipment. 6.1.3 When hoisting the capacitor bank, it shall hoist according to the Lifting Identifier on the rack and must avoid damaging the casings. 6.1.4 Transport marks shall be provided on the packing case. Measures against...

eyuarf Complete HV Shunt Capacitor 7.1.3 The footing and the embedded parts for foundation of the capacitor bank shall be fixed by electric welding or foundation bolts, applied with a rust-inhibitive primer and a polyurethane paint on surface. 7.2 It must ensure the good contact of the electric loop and the earthed part, avoid high-frequency oscillating arc and abnormal heating that are caused by improper contact. 7.3 When installing electric conductors (including busbars, stranded wires, wire clips and terminals, etc.), the connection mode and the moment value of the fasteners shall conform...

Complete HV Shunt Capacitor 7.7.1 It shall meet the requirements resisting against electromagnetic induction when installing a dry-type air-core series reactor. The minimum distance between the reactor and the ferromagnetic metal components that do not form a closed loop to its surrounding area and the minimum center distance between the reactors shall meet the relevant technical requirements (see the installation instructions for dry-type air-core series reactors). 7.7.2 The dry-type air-core series reactor supports the mounting plate for the metal base of the insulator. It shall adopt a radial...

Complete HV Shunt Capacitor 8.1.5 It shall check that the connection points between the busbars and each connection point in the main circuit are correct and reliable. 8.1.6 Various protection devices shall be correct and reliable. 8.2.1 With a view to the measurement of the background harmonics for the system, when the harmonic content of the system exceeds the relevant regulations, it shall consider to take restrictive measures at the harmonic source. 8.2.2 When subdivided capacitor runs based on various capacity and different reactance ratio combinations it shall adopt a rational switch combination...