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(1) The JYN1-40.5 (Z) T/1600-31.5 type alternating-spaced AC metal-enclosed switchgear is a 40.5kV three-phase AC 50Hz bus segmented complete set. Mainly used for power transmission, power transmission, etc. in power plants for power plants, medium and small-sized generators for power transmission, power distribution for industrial and mining enterprises, and power substations. It can also be used for frequent operation of power lines and control switchgears to achieve control. For protection and monitoring.
This product is designed on the basis of optimization and improvement of similar products. It can be equipped with low oil circuit breakers, SF6 circuit breakers, ZN23 vacuum circuit breakers, and ZN85-40.5 fully insulated, maintenance-free, screw-nut drives produced by the company. Vacuum circuit breaker with overrunning clutch.
The type test project of this product is complete, has met the requirements and expected goals put forward in the design task book, and special improvement designs have been made to meet the needs of the harsh environment in the Chinese market and in some special regions to overcome the deficiencies in some imported products. At the same time, it has obvious advantages over similar foreign products at the price point. Therefore, the product will have a good sales prospect after it is put into production, and it can replace imported products and export some countries.
(2) KYN□-7.2(J·R)/200-40 type armored removable AC metal-enclosed switchgear (FC loop) is a medium-high voltage vacuum contactor with rated voltage of 3.6~7.2kV, three-phase AC 50Hz power system Power distribution unit combined with fuses. Mainly used in power plant power system, industrial and mining enterprise power distribution and large metallurgy, petrochemical and other departments to achieve control, protection, monitoring purposes.
This type of switchgear is equipped with WFNHO high voltage fuses and JCZ2-6/4000-4 type vacuum contactors, in line with GB3906-9 "3~35kV AC metal-enclosed switchgear", IEC62271-200 "1kV and above 52kV and above AC metals Enclosed switchgear and control equipment" and GB/T14808-2001 "AC high-voltage contactor and contactor-based motor starting device" requirements.
(3) KYN18-12(Z)/T1250-31.5 type armored removable AC metal-enclosed switchgear is used in the rated voltage of 3.6~12kV, three-phase AC 50Hz power system, as a power plant power system, industrial and mining enterprises Power distribution and large-scale metallurgy, petrochemical, and other departments receive and distribute electrical energy in complete sets of equipment.
This type of switchgear is equipped with a ZN28-12/T1250-31.5 vacuum circuit breaker, in line with GB3906-9 "3~35kV AC metal-enclosed switchgear", IEC62271-200 "1kV and above 52kV and below AC metal-enclosed switchgear and control equipment" And GB/T1984-1989 AC High Voltage Circuit Breaker requirements.
(4) LW3-12II/T630-16 type outdoor high-voltage AC SF6 circuit breaker uses SF6 gas as the arc extinguishing and insulating medium. It adopts the principle of "rotating electric arc quenching and extinguishing arc with spring operating mechanism and can be stored manually. It can also store energy in the motor, and it can realize local operation and remote control. It has the function of automatic reclosing and meets the common technical conditions of GB1984 "AC high voltage circuit breaker" and GB/T11022 "High voltage switch and control equipment standards".
According to the development trend of the oil-free switch on the column in China's power grid, the switch with a long cycle and low reliability of the current of the breaking and breaking current is far from meeting the requirements of the development of the power grid. This product uses SF6 gas as the arc extinguishing and insulating medium, breaking current up to 16kA, reliable insulation, no maintenance cycle for 10 years, no fire hazard, and the advantages are very prominent. It is the preferred circuit breaker for rural substations in China.
(5) LW8-40.5/2000-31.5 type outdoor high-voltage AC SF6 circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment, used for 35kV transmission and distribution systems in large-scale power plants, substations and large and medium-sized industrial and mining enterprises For control and protection, it is especially suitable for frequent operation, suits capacitor bank applications, and can be used as a contact breaker.
(6) XGN-12(Z)T/1250-31.5 type box-type fixed metal enclosed switchgear is equipped with ZN63A-12 type vacuum circuit breaker, DGN-12 type isolating switch and LZZBJ9-10 current transformer, external dimensions (wide × deep × high) 800 × 1400 × 2200mm. In line with GB3906-91 "3 ~ 35kV AC metal-enclosed switchgear" and the International Electrotechnical Commission standard IEC298 (1990 version) "1kV above 52kV and below AC metal-enclosed switchgear and control equipment" requirements.
On July 12, the six products developed and produced by Zhengtai Group Complete Equipment Manufacturing Co., Ltd. passed the technical appraisal hosted by the Zhejiang Provincial Economic and Trade Commission. The six types of products are JYN1-40.5 (Z) T1600-31.5 Space-Removed AC Metal-enclosed Switchgear, KYN□-7.2 (J·R)/200-40 Armored-Removal AC Metal-Enclosed Switchgear (FC loop) KYN18-12(Z)/T1250-31.5 Armored Removed AC Metal-enclosed Switchgear, LW3-12II/T630-16 Outdoor High Voltage AC SF6 Circuit Breaker, LW8-40.5/2000- Type 31.5 outdoor high-voltage AC SF6 circuit breakers, XGN-12 (Z) T/1250-31.5 box-type fixed metal enclosed switchgear, etc.