(including DTV-12, DTV-24, DTV-40.5)
DTV series indoor vacuum circuit breakers are suitable for indoor switchgear of power system with voltage 3.6kV~12kV and rated frequency 50(60)Hz, used for casting and switching loads of various different natures and frequently operated places, and can be used for the protection and control of electric facilities in industrial and mining enterprises, power plants and substations. It can be used for the protection and control of industrial and mining enterprises, power plants and substations.
The main circuit of DTV series indoor vacuum circuit breaker adopts solid-sealed vacuum pole, which is composed of vacuum interrupter and upper and lower outgoing blocks directly sealed in epoxy resin through automatic pressure gel process (APG), reducing the influence of conductive overlap surface and external environment on the shell of interrupter, and improving the reliability of power supply. (Including DTV2-12, DTV2-24, DTV2-40.5)
DTV2 series indoor vacuum circuit breaker is suitable for voltage 3.6kV ~ 12kV rated frequency of 50 (60) Hz power system indoor switchgear, used for casting and switching a variety of different properties of the load and the frequent operation of the place, can be used for industrial and mining enterprises, power plants and substations for the protection and control of electrical facilities. It can be used for the protection and control of industrial and mining enterprises, power plants and substations.
The main circuit of DTV2 series indoor vacuum circuit breaker adopts sleeve type pole pole column, DTV2 type vacuum circuit breaker adopts closed insulation form, the main insulating cylinder plus inner and outer skirts, and its creepage ratio distance reaches the requirements of DL standard, the product has the remarkable advantages of small volume, reliable insulation, no pollution, no explosion, stable performance, high technical parameters, long maintenance cycle, etc. The product has the advantages of small volume, reliable insulation, no pollution, no explosion, stable performance, high technical parameters, and long maintenance cycle. DTZ-12/T1250-31.5 indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kV indoor device. The product is a set of vacuum circuit breaker, disconnecting switch, grounding switch three integrated combination of electrical appliances, in which the disconnecting switch and the arc extinguishing chamber is solidly integrated, greatly improving the insulation strength of the switch dominant electric circuit, while realizing the miniaturization of the product. The product is suitable for casting and cutting loads of different natures and places of frequent operation, and can be used for the protection and control of electrical facilities in industrial mines, enterprises, power plants and substations.
DTZ-12 type indoor high-voltage vacuum circuit breaker is mainly composed of primary conductive circuit body and operating mechanism. Primary conductive circuit is installed in the epoxy resin insulating material casting and become a solid sealing pole column, actuator is placed in the metal closed chassis; conductive circuit and actuator before and after the arrangement, connected through the chassis shell, the main electrical circuit is arranged longitudinally.
The mechanism adopts modular design, independent structure, self-contained, can be taken out from the mechanism box, easy maintenance. The surface of the mechanism adopts special anti-corrosion treatment, with high anti-corrosion performance. The transmission part adopts oil-free lubrication, which overcomes the failure caused by the freezing of lubricant in high-cold area. Gear transmission, high transmission precision, no noise. DTF-12/T630-25 indoor high-voltage vacuum load switch and DTF-12/T125-31.5 indoor high-voltage vacuum load switch-fuse combination electrical appliances are indoor devices with three-phase AC 50Hz and rated voltage 12kV. The product is a combination of vacuum load switch, disconnecting switch, grounding switch three integrated combination of electrical appliances, in which the disconnecting switch and load switch arc extinguishing chamber solid sealing, greatly improving the insulation strength of the switch dominant electric circuit, while realizing the miniaturization of the product. The product is suitable for casting and cutting loads of different natures and places of frequent operation, and can be used for the protection and control of industrial, mining and enterprise facilities.
Vacuum load switch, combination of electrical appliances is a four-position load switch, combination of electrical appliances in the integration of breaking, closing, isolation, grounding. The product is suitable for AC high-voltage ring network power supply system with rated voltage of 12kV and rated frequency of 50Hz, shutting off and breaking load current and overload current; vacuum load switch plus current-limiting fuse is connected in series to become a combination of electrical appliances, which can be used for shutting off and breaking all kinds of load currents by the vacuum load switch and breaking larger overload currents and short-circuit currents by the current-limiting fuse. (Including DTG-12 and DTG-24 series)
DTG-12/24(F)/T630-20 gas-insulated metal-enclosed switchgear (hereinafter referred to as load switchgear), DTG-12/24(F.R)/T125-31.5 gas-insulated metal-enclosed switchgear (hereinafter referred to as combined electrical equipment cabinet), DTG-12/24( V)/T630-25 gas-insulated metal-enclosed switchgear (hereinafter referred to as circuit breaker cabinet) are 50Hz three-phase AC indoor high-voltage power distribution equipment with low-pressure SF6 gas as insulation and breaking medium.
The ring network cabinet sealed box were equipped with load switch, load switch + current limiting fuse, circuit breaker and other basic switching elements, the use of load switch control circuit, open and close the load current, overload current; the use of load switch + current limiting fuse to control, open and close, isolate the transformer and its distribution circuits, the MV side of the transformer, transformer and the low-voltage distribution circuits within the short-circuit current and overload current protection, the use of circuit breaker program to control, open and close, isolation of transformers and their distribution circuits, for the MV side, transformers and low-voltage distribution circuits within the short circuit current and overload current protection. The current is protected, and the equipment or lines are protected using the circuit breaker scheme. The basic unit can be made into a *** box cabinet or the basic unit can be expanded into a variety of power distribution system solutions. *** box can be up to six *** box, expand the type can be unlimited splicing.
According to the primary main wiring, DTG-12/24(F)/T630-20, DTG-12/24(F.R)/T125-31.5, DTG-12/24(V)/T630-25 gas-insulated metal-enclosed switchgear can be assembled, and then used in parallel to form a ring network power supply circuit. Circuit breaker cabinet, load switch cabinet and combined electrical cabinet can also be used separately. Mainly used in 24kV, 12kV and below secondary power distribution system, suitable for 24kV, 12kV power supply line ring network power supply or double radiation power supply, when a section of the line fails, the line reorganization to make the fault section isolation, can be restored in time to sound line power supply, and greatly improve the reliability of the power supply and the utilization rate. It is suitable for industrial and commercial areas or rural townships with high density of power supply loads in cable-fed networks. Safe to use, not affected by climate, easy to install, less maintenance, saving place, very suitable for installation in box-type substation. (Including DAM10-12, DAM20-24, DAM35-40.5 series)
DAM Series Armored Removable AC Metal-enclosed SwitchgearSwitchgear is a 3 ~ 40.5kV three-phase AC 50Hz single busbar and single busbar segmentation of the complete set of devices. Mainly used in the urban power grid renovation system with serious limitations on floor space, civil construction costs have been greatly reduced, but also can be used in small and medium-sized generators to send power, industrial and mining enterprises and power distribution and power system of the second power generation and distribution of power supply and large-scale high-voltage motor starting, etc., the implementation of its control, protection, monitoring purposes.
The switchgear meets the requirements of IEC60298, GB3906 and other standards, and has the interlocking functions of preventing pushing and pulling the circuit breaker trolley with load, preventing wrongly opening and closing the circuit breaker, preventing closing the circuit breaker when the earth switch is in the closed position, preventing wrongly entering into the electrically-charged compartment, and preventing wrongly closing the earth switch when electrically-charged. Adopting the miniaturized components matured in the current market, integrated design for PT, CT, arrester, etc., and locally adopting the structure of balanced electric field. Equipped with miniaturized solid-sealed pole vacuum circuit breaker with superior performance, it has strong environmental adaptability and daily maintenance is greatly reduced, which is really a power distribution device with superior performance. XGN-12 small vacuum switchgear is equipped with our DTZ-12 miniaturized integrated vacuum circuit breaker or DTF-12 miniaturized integrated vacuum load switch and load switch-fuse combination electrical switch. The upper and lower unit structure, the upper part of the switch unit, the lower part of the shell, can be installed CT, PT and lightning arrester. With circuit breaker cabinet and load switch cabinet products, and can be used in any combination of fixed vacuum switch cabinet products, products, reliable wall mounting, maintenance and operation is simple, is the KYN28 product upgraded alternative products. XGN □-12/T1250-31.5 ring network cabinet external dimensions are very small, width x depth x height is only: 600x1000x1800, greatly reducing the use of space, saving the The area occupied by the cabinet is very small.
The ring network cabinet is suitable for 12kV sectionalized radiation mode, ring network distribution mode, open and closed redistribution mode, single circuit direct distribution (terminal distribution mode) and mixed distribution mode, etc. of the secondary power distribution system, widely used in indoor substation and 24kv power system can also be loaded into the pre-installed box-type substation, as a control and protection device of electric energy. Cable transfer box is widely used because it solves the problem of cable taping in the change of cable from overhead line and the characteristics of fully insulated, fully sealed, maintenance-free, flexible installation combination. Supporting the use of cable transfer box prefabricated cable accessories are also fully insulated, fully sealed, fully shielded, suitable for a variety of harsh environments, reliable equipment and personal safety, greatly improving the reliability of power supply.
Cable transfer box according to the actual need to determine whether to configure the switch, without a switch transfer box can be realized up to eight circuits; can also be important to increase the load breaking switch, SF6 load switch out of the side of the line can take up to six out of the line circuit. And optional lightning arrester, short-circuit fault indicator, etc.. (Including DAW-12, DAW-24 series)
Outdoor intelligent switchgear is a new generation of medium-voltage outdoor distribution products developed by adopting the world's advanced technology and design concepts and combining them with China's actual environment. The product realizes pre-installation and integration, covers an area of less, short investment cycle; complete functions, flexible program; short installation and commissioning cycle, reliable power supply.
The outdoor intelligent switchgear integrates MV components and related secondary equipment, such as circuit breakers, load switches, disconnecting switches, earthing switches, mutual transformers, protection, measurement and control units, remote terminal control systems (RTU), feeder automation terminals (FTU), metering and automatic meter reading, UPS power supply and indicator instruments, etc., and completes the in-plant testing and commissioning. All the equipment is installed in the rain-proof, anti-corrosion, moisture-proof outdoor box. It realizes the integration of primary and secondary systems in urban distribution network and modularization of assembly. It shortens the construction period, realizes the automation of distribution network, and greatly improves the reliability and automation degree of urban power grid operation.