Product overview GGD type AC low-voltage distribution cabinet is suitable for power plants, substations, industrial and mining enterprises and other power users of AC 50Hz, rated working voltage 380V, rated working current 5000A power distribution system, as power, lighting and distribution equipment for energy conversion, distribution and control. The product has the characteristics of high breaking ability, good dynamic and thermal stability, flexible electrical scheme, convenient combination, strong practicability, novel structure and high protection level. It can be used as the re placement of low-voltage switchgear. GGD type AC low-voltage distribution cabinet conforms to IEC439 "Low-voltage switchgear and control equipment",GB7251 "low-voltage switchgear" and other standards.
GKG-12/630 Overview of solid insulated switchgear (Miniaturized mining switchgear) : It is a new type of power distribution equipment which integrates three technologies of external solid seal, insulated bus bar and miniaturization of combined unit. The switch and high-voltage live parts are cast with epoxy resin as a whole, and epoxy resin solid seal is used as the insulation of live body to ground and phase to phase. Solid insulated ring cabinet does not discharge any toxic substances, no gas leakage explosion and internal arc of the hidden danger, with high insulation performance, high overall strength, maintenance-free and so on. According to different configurations, the solid insulated ring network cabinet can realize the functions of breaking load current, breaking short circuit current, manual and automatic switching of dual power input line, current velocity breaking protection, single-phase grounding protection of small current grounding system, and communication. The structure and principle of solid insulated ring network cabinet: 1.The composition of solid insulated ring network cabinet: V unit (Circuit breaker unit) C unit (Load switching unit) F unit (Combined electrical unit)
Product type, classification and basic parameters 1.Product model and its meaning 2. Basic parameter Rated voltage: 10kV, 6kV; Rated current:1250A 1000A 800A 630A 500A 400A 315A 200A 150A 100A 50A; Class of protection: IP43; Number of short circuit breaking and closing currents: separate 0.3s Combine and separate 180s Combine and separate 5timesï¼?separate14timesï¼?Combine and separate 11 timesï¼? Rated short-circuit breaking current: 31.5kA (RMS); Rated short-circuit closing current: 80kA (peak); Rated short-time withstand current: 31.5kA (effective value); Rated peak withstand current: 80kA (peak);Rated short circuit duration: 4s; Rated short circuit breaking times:30times Main protection functions: 1)Short circuit protection 2)Overload protection 3)Zero sequence overcurrent protection 4)Zero sequence overvoltage protection 5)Over and under voltage protection In addition, it has the functions of fault memory, fault query, self-test and so on. Technical requirement 1.General requirement 1.1The switchgear shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the designated inspection unit. 1.2In addition to meeting the technical conditions, it should also meet the provisions of GB/T12173-2008 standard. 2.Environmental condition The switchgear shall work normally under the following conditions: a)Altitude: 1000m; b)Ambient temperature: -20 ~40 ; c) Relative humidity: 95%; d) In a gas or steam environment without damaging insulation; 3 .Shell 3.1Material The shell of the switch cabinet is made of 2.5mm thick cold-rolled steel plate. 3.2intensity The material of the switch cabinet shell conforms to the provisions of GB3836.1-2010 Chapter 8, and shall withstand the impact strength impact test of 1kg/7J. 3.3Class of protection The protection capacity of the switch cabinet housing should comply with the provisions of GB3836.3-2010 Article 4.9, and the protection capacity should not be less than IP43.
Use and scope of application GKD type general low-voltage switchgear for mining (hereinafter referred to as switchgear) has obtained mining qualification certificate and safety standard certification certificate. It is suitable for all kinds of mining areas, no gas, coal dust explosion danger places and other similar underground industrial production departments such as non-coal mine mountains. The switchgear is suitable for power plants, factories and mining enterprises and other power users with AC 50HZ, rated working voltage 660V,380V, rated working current up to 3200A and below Electric energy conversion and distribution control of power, lighting and distribution equipment. Reference execution of relevant standards GB 3636.1-2010 Explosive atmospheres - Part 1: General requirements for equipment GB 3836.3-2010 Explosive atmospheres - Part 3: Equipment protected by increased safety type "E" GB14048.1-2012 Low-voltage switchgear and control equipment - Part 1: General GB 14048.2-2008 Low-voltage switchgear and control equipment - Part 2: Circuit breakers GB/T 4208â??2008 Enclosure protection Class (IP code) GB/T12173-2008 General electrical equipment for mining GB/T156â??2007 Standard voltage GB/T191â??2008 Pictorial signs for packaging storage and transportation GB/T2423.4-2008 Electrical and electronic products - Environmental testing - Part 2: Test methods - Test DB: Alternating humid heat (12H+12H cycle) GB7251.1-2013 Low-voltage switchgear and control equipment - Part 1: General MT871-2011 Explosion-proof low voltage AC vacuum feed switch for mines Aq1043-2007 Safety marks for mining products
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
With the continuous development and progress of society, China's urban power grid has undergone great changes, and most cities have formed or are forming from more power load intensive areas. In the past, the power supply from the substation 12/24kV line (or branch line) to the direct user has been difficult to meet the requirements of urban development. Therefore, a new power supply method is produced by opening and closing the power supply to the user. However, with the intensification of urban densification, some of the original civil type openings and closures have been limited by land and urban planning, so a more advanced and practical outdoor intelligent openings and closures (outdoor ring cabinet) has emerged. This opening and closing house does not need civil construction and occupies less area, the configuration is very flexible and the power supply mode is more reliable, the construction and installation, debugging time is greatly shortened, and the overall cost is reduced.Intelligent opening and closing (outdoor ring network cabinet) is the use of foreign advanced technology, the 12/24kV switchgear, circuit breaker, load switch. Current and voltage backbone, 12kV power supply PT, switching station FTU, RTU, communication control terminal (CCU), 12/24kV metering and automatic meter reading, USP power supply and indicating instrument are installed and adjusted into a movable, sealed and moisture-proof stainless steel box. Thus, the integration and modular assembly of the primary and secondary systems of the urban distribution network are realized, the construction period is shortened, and the reliability of the urban power network operation is greatly improved.
KYN61-40.5(Z) style Armored shift type AC metal closed switchgear (hereinafter referred to as "switchgear") It is suitable for three-phase AC 50Hz power system, used for power plants, substations and industrial and mining enterprises of the distribution room to accept and distribute electrical energy, and the circuit control, protection and monitoring. This product conforms to the standards: GB3906 "3~35kV AC metal enclosed switchgear",GB/T11022 "High voltage switchgear and control equipment standard common technical requirements", IEC60298 "rated voltage above 1kV and below 50kV AC metal enclosed switchgear and control equipment".
Main technical parameters Name Unit Data Rated voltage kV 3.6 7.2 12 Rated frequency Hz 50 Circuit breaker rated current A 630 1250 1600 2000 2500 3150 Rated current of switchgear A 630 1250 1600 2000 2500 3150 Rated short-time withstand current (4s) kA 20 25 31.5 40 Rated peak withstand current (peak) kA 50 63 80 100 Rated short-circuit breaking current kA 20 25 31.5 40 Rated short circuit closing current (peak) kA 50 63 80 100 rated Insulation level 1min power frequency withstand voltage Between poles, poles to the ground kV 24 32 42 Between fractures kV 24 32 42 Lightning impulse withstand voltage (peak) Between poles, poles to the ground kV 40 60 75 Between fractures kV 46 70 85 Class of protection The enclosure is IP4X, and the compartment and circuit breaker room doors are IP2X when opened. Overall dimension Hight 2300 Width Rated current 1250A and below 800 Rated current 1600A and above 1000 Depth Cable inlet and outlet 1500 Overhead inlet and outlet line 1660
XGN15-12(SF6) unit type AC metal closed ring switchgear (hereinafter referred to as ring cabinet) is a new generation of high-voltage electrical products that we have successfully designed and developed by ourselves in accordance with the requirements of domestic agricultural power and urban network transformation. All technical performance indicators comply with IEC62271-200:2003 and GB3906 standards. The main switch, operating mechanism and components of the ring network cabinet are made of ABB's original parts or SFL-12/24 switchgear manufactured by domestic assembly of imported parts, or ABB's original HAD/US SF6 can be installed according to user needs. Circuit breaker or VD4-S type vacuum circuit breaker. Its operation mode is divided into manual and electric two kinds. The cabinet body is riveted after machining by CNC machine tool, the protection level reaches IP3X, and has reliable mechanical interlocking and anti-misoperation functions. This product has the characteristics of small size, light weight, beautiful appearance, easy operation, long life, high parameters, no pollution, less maintenance and so on. XGN15-12(SF6) type unit-type AC metal closed ring switchgear, suitable for 50Hz, 12kV power network, as the receiving and distribution of electric energy. The main switch in the cabinet is SF6.
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