The common DC bus of the inverter system - Wiener

(1) Simple maintenance and repair operations Equipment is often added or removed or changed in the computer room, and cables are removed or added at the same time, and the grid bridge with open structure can observe the cables to the maximum extent, so it is easy to distinguish the cables that need to be replaced, so that maintenance and repair ...

The bus equipment has the characteristics of beautiful appearance, compact structure, agile installation, easy to use, economical and time-saving, safe and reliable, and is one of the important parts of the low-voltage power supply system. Many scholars have conducted a multi-faceted discussion on the low-voltage bus system, and after many years of production, the bus body ...

1) Closing the bus duct can reduce the grounding fault, prevent the short circuit between the phases, and fundamentally eliminate the grounding fault caused by external moisture, dust and foreign objects, and improve the continuity of generator operation. 2) Eliminate the surrounding ...

At the time of the cable tray installation, the wiring is not very convenient. This phenomenon can be avoided by using busway. The 5 advantages of using busway in the cable tray device are as follows: 1. Convenient connection of bus duct: the so-called plugging ...

Although the service life cost of the busbar system is usually lower than that of the traditional wiring method, the busbar system still bears a considerable cost compared to other structural elements of the water supply and drainage or HVAC system. In addition, customized busbars ...

The common box closed bus includes the non-phase isolated, common box closed bus, phase isolated common box closed bus and AC and DC excitation common box bus, which are used for current transmission between the generator lead wire below 100MW and the low-voltage side of the main transformer or between the low-voltage side of the transformer and the high-voltage distribution device of the unit of 75MW and above.

Densely insulated bus duct (hereinafter referred to as bus duct) can be communication three-phase three-wire, three-phase four-wire, three-phase five-wire system, frequency 50-60Hz, voltage to 400V, rated operating current of 250-5000A, mainly as a new type of power supply and distribution equipment in industrial and mining, enterprises and high-rise buildings. Mother with insertion day ...

The grounding of the DC system should include two situations: the one-point grounding of the DC system and the two-point grounding of the DC system. In the DC system, the positive and negative poles of DC are insulated from the ground, and there is no grounding current when generating a ground current when one pole is grounded.

Wiener has developed a new series of 3 VA1 circuit breakers equipped with ® busbar adapters from Siemens in the 160 system with a compact range of 30. The safety articulation of the circuit breaker is the internal right of the tension spring device base and high-performance rails. ...

1.It is necessary to install arc light maintenance Arc maintenance in foreign countries has nearly 20 years of history, the first set of maintenance devices in 1995 has been put into operation, China's previous imported units in the introduction of foreign complete sets of arc light maintenance (such as Guohua Tianjin Panshan Power Plant), domestic units ...

(1) Single busbar. Single busbar, single bus segment, single bus plus bypass, and single bus segment plus bypass. (2) Double busbar. Double-busbar, double-busbar segmentation, dual-busbar plus bypass, and dual-busbar segmentation plus bypass. (3)3/2 wiring ...

Precautions for the device VDE 0660 Specification Section 107 / EN 60947-3 Specification / IEC 60947-3 Specification 3 poles are broken at the same time, double breakpoints. Operator-independent, safe opening/closing, in position ...

(1) General bus duct Non-flame retardant and non-fire-resistant bus duct selected for general load power distribution. In the event of a short circuit, it will be incinerated until it is connected to other busbars, which can easily cause fire accidents. (2) Flame retardant bus duct ...

There are three types of maintenance commonly used in medium and low voltage bus systems: (1) Transformer backup overcurrent maintenance (typical maintenance action time is 1.2s - 1.4s) (2) Transformer voltage with feeder quick-break maintenance locking ...

The Wiener bus system is a standardized system for bus spacing, which is used in low-voltage power supply and distribution switchgear, so that the bus can both conduct electricity and support electrical components. The system is divided into 40, 60, 100 and 185mm systems. ...

The communication and connection skills of the independent power supply system create better prospects for the power supply of the future. Hundreds of systems around the world have installed SMA's Sunny Island battery inverters to supply power to customers for a long time. The stackability of Sunny Island, i.e. multiple Sunny Islands ...

1. The main bus at the upper end of the low-voltage distribution cabinet is calculated according to the material and cross-section in the extension meter. The bus bar connected to the main bus at the upper end of the switch is not accounted for and is included in the low-voltage distribution cabinet. 2. The transformer mainly depends on how large the load is, according to your switchgear can be calculated to match the transformer, but not the same...

Compared with other air-type busway, Wiener closed busway has many similarities in appearance, and its difference lies mainly in the shell, the structure of the closed busway is more distinctive, which also makes its use have certain advantages. As long as it is in contrast ...

1. Save space. The components are attached to the busbar, which can save 1/3 of the size of the box transformer. 2. Operation**. The busbars are placed behind the components, and the upper and lower plates can be sealed to prevent touch protection. 3. Improve the stability and reliability of operation, improve the dynamic and thermal stability, and the bus bar is not perforated.

The system consists of a current box, a bus body, a branch plug and device accessories. When the heat dissipation of conductive copper strip has been effectively improved, the contact between the copper strip and the inner wall of the tube is reduced, and the insulation resistance and anti-aging ability of the tube body are strengthened, so as to prolong the service life of the pipe body. The life of the tube far exceeds ...