Neutral Point Harmonic Eliminator-manufacture,factory,supplier from China

(Total 24 Products for Neutral Point Harmonic Eliminator)
LXQ (LXQ3, LXQ4) type nonlinear resistance harmonic eliminator (harmonic eliminator for short) for neutral point of voltage transformer is installed in primary winding (or secondary winding) Y of 6~35kV voltage transformer (PT for short). A nonlinear resistance harmonic damping device between the neutral point of the junction line and the ground. Compared with the traditional RXQ type harmonic eliminator, the LXQ type harmonic eliminator has been greatly improved in design to improve the thermal capacity of the harmonic eliminator. The harmonic eliminator has superior electrical performance.
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(H) GW13 type neutral point disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing the neutral point connection of transformer without load. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.□ Structure1. Single pole V-shaped double post rotary structure, with small floor area, mainly consists of base, post insulator, conductive circuit, operating mechanism, etc.2.
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The lightning arrester is connected between the cable and the earth, usually in parallel with the protected equipment. The lightning arrester can effectively protect communication equipment. Once abnormal voltage occurs, the lightning arrester will act to protect. When the communication cable or equipment is operating under normal working voltage, the arrester will not work and will be regarded as open circuit to the ground.
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1. After opening, establish a reliable insulation gap to separate the equipment or lines to be repaired from the power supply with an obvious disconnection point to ensure the safety of maintenance personnel and equipment [2].2. Change the circuit according to the operation needs.3. It can be used to open and close the small current in the line, such as the charging current of bushing, bus, connector and short cable, the capacitive current of switch voltage equalizing capacitor, the circulating current during double bus switching and the excitation current of voltage transformer.4.
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GN30-12 rotary indoor high-voltage disconnector is a new type of rotary contact disconnector. Its main structure is to fix two groups of insulators and contacts on the upper and lower planes of the three-phase common chassis, and to achieve switch on by rotating the contact.The GN30-12D switch is an additional form with grounding knife on the basis of the GN30-12 switch, which can meet the needs of different power systems. This product is compact in design, small in point space, strong in insulation capacity, and easy to install and adjust.
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Due to electromagnetic induction, the metal shielding layer (or metal sheath) of long line high-voltage single core power cables generates induced voltage, which leads to aging of insulation and reduction of insulation grade, resulting in reduced cable life. Once the induced voltage exceeds the sheath breakdown voltage, the outer sheath is broken down, forming a multi-point grounding fault of single core cables.
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Type a double tube binocular low light level observation mirror has the characteristics of clear imaging, good concealment, light structure and low power consumption. The product is suitable for driving aircraft for takeoff, landing, low altitude and ultra-low altitude missions at night or in low illumination environment; It can also be used for vehicle driving, patrol, medical rescue, observation, monitoring and reading.
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Most advanced stirling cooler in the world. Very powerful cooling ability. 
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It integrates the functions of visible light CCD, laser ranging, GPS / Beidou Positioning second generation, electronic compass and data recording. It has the characteristics of low power consumption, small volume, light weight, compact structure, simple operation and portability to complete the detection, aiming, ranging and positioning of targets.
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The performance of JN15-12 household air high-voltage grounding switch meets the requirements of GB1985-89 AC High Voltage Disconnectors and Grounding Switches and IEC129, and is applicable to 12kV and below AC 50Hz power systems. It can be used together with various types of high-voltage switch cabinets as grounding protection.Advanced design and reliable technical performance; Simple structure, convenient installation and debugging; Have the ability of quick opening and closing.□ Operating environment1. The altitude shall not exceed 1000m;2.
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It can diagnose the fault of the thermal imager through the communication port of the thermal imaging system, locate the fault group components conveniently and quickly according to the built-in fault expert database, and greatly improve the maintenance efficiency of the fault thermal imager;Through the self-developed comprehensive performance test algorithm of thermal imager, it is convenient and accurate to test the performance parameters of thermal imager: minimum resolvable temperature difference (MRTD), minimum detectable temperature difference (mdtd), field of view (FOV), zero travel mom
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GW9-10 outdoor high-voltage disconnector is a single-phase AC 50HZ high-voltage switchgear, which is used in the power system with the rated voltage of 10KV to connect or disconnect the power supply with voltage and without load.The disconnector is operated with insulating rod.□ Operating environmenta. Altitude not exceeding 1000mb. Ambient air temperature: upper limit+40 ° C, lower limit - 30 ° C in general areas, and - 40 ° C in alpine areasc. Wind pressure shall not exceed 700Pa (equivalent to wind speed of 34m/s)D. Seismic intensity shall not exceed 8 degreesE.
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Vehicles and ships are only essential equipment in urban anti-terrorism, public security crime collection and border and coastal defense patrols. Equipped with on-board infrared thermal imager is to equip vehicles with special eyes to break the dark cover and uncover various camouflages.The on-board infrared thermal imager adopts modular and standardized design, which can be quickly and easily installed on various vehicles equipped at present.
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FGW9-12 high-voltage load disconnector is a high-performance disconnector developed by our company by absorbing foreign advanced technology. It has the advantages of reliable contact, large current carrying capacity, and certain arc protection capability. It is used in the power system with the rated voltage of 10kV to connect and isolate the power supply when there is voltage.
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Distribution ArresterProduct use conditions:a) Suitable for indoor and outdoor use;b) Ambient temperature -40°C~+40°C;c) The altitude does not exceed 3000m (the porcelain sleeve type does not exceed 1000m);d) The power frequency is not less than 48Hz and not more than 62 Hz;e) The long-term power frequency voltage applied between the arrester terminals does not exceed the continuous operating voltage of the arrester;f) Areas with an earthquake intensity of 8 degrees or below;g) The maximum wind speed shall not exceed 35m/s. Product Model Description:According to JB/T 8459-1996 "Surge
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GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.
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Metal Oxide ResistorsThe metal oxide resistor is the core part of the lightning arrester. It uses zinc oxide as the main component, adding a small amount of bismuth oxide, cobalt oxide, chromium oxide, manganese carbonate, antimony oxide and other trace additives, and is sintered at high temperature. The microstructure of metal oxide resistors is mainly composed of zinc oxide grains, grain boundary layer and spinel phase.
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The JN2-40.5 indoor high-voltage grounding switch is an indoor high-voltage electrical appliance designed in accordance with the relevant grounding switches in GB1985-89 AC High Voltage Disconnectors and Grounding Switches, which is equivalent to IEC129-84 Disconnectors and Grounding Switches and IEC694-84 Common Terms for High Voltage Switchgear and Control Equipment.JN2-40.5 grounding switch is applicable to 35KV and below three-phase AC 50HZ power system, and has voltage monitoring device.
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purposeHigh voltage disconnector is a kind of high-voltage equipment used to connect or isolate power supply under the condition of voltage and no load.□ Service conditions1. Altitude not exceeding 1000m2. Ambient air temperature: upper limit+40 ° C in general area, lower limit 30 ° C in general area3. The wind pressure shall not exceed 700Pa. (equivalent to wind 34m/s)4. The seismic intensity shall not exceed 8 degrees;5. No place with frequent violent movements;6.
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Designed and supplied specifically for "Off Road Use", these Site trailers are all fitted with some form of brake system, hand parking facility and basic vehicle lights. Although not built to conform with EEC braking/lighting directives certain Non EEC countries have operated these units on the highway under the proviso that Towing speeds indicated must not be exceeded at full rated payload.
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It is mainly used for non-contact monitoring of dangerous gas leakage at industrial site. It can also be used for coal mine monitoring, high-voltage power transmission and transformation detection, subway safety monitoring, environmental protection and fire rescue.Types of industrial hazardous gases that can be monitored:Hydrogen sulfide, ammonia, propane, sulfur dioxide, methanol, ethylene, methane, sulfur hexafluoride, dichloromethane, ether.
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Very popular MW cooled detector in the world market. Can work with C308, C330 or C363 stirling cooler.
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Infrared thermal imaging all-weather forest fire prevention monitoring and early warning system is a high-tech product based on forest fire monitoring, applying international advanced infrared thermal imaging technology, combined with wireless transmission and network remote control functions, and comprehensively applying GIS technology, infrared fog penetration technology, digital image processing technology and other high-tech technologies to forest fire early warning management.Infrared thermal imaging technology is a new stage in the development of night vision technology.
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Relate News
Complex digital assemblies integrate a multitude of different additives in a very small area. miniaturisation, no matter the tendency to reduce energy dissipation, increases the needs for thermal management, blunders-loose operation and compliance with system parameters in manufacturing. infrared thermography is used for the efficient recording of temperature distribution and time sequences. the optical method is used for non-touch size of floor temperatures and does not impact the rf impedance of the measured object or the heat dissipation from it.
Complex digital assemblies combine a multitude of one-of-a-kind components in a very small area. miniaturisation, no remember the tendency to minimize power dissipation, will increase the wants for thermal management, blunders-loose operation and compliance with gadget parameters in manufacturing. infrared thermography is used for the environment friendly recording of temperature distribution and time sequences.
Numerous of these manufacturing processes are based on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are completed by a sintering pass to fully cure the material. In order to localise and detail thermal conspicuities in these processes, InfraTec infrared cameras support the determination and subsequent adherence to thermal process parameters by in-line monitoring. Infrared cameras can be integrated directly into the process control system to enable a non-contact and non-invasive temperature measurement.
Severa of those manufacturing processes are based totally on laser technologies inclusive of laser melting, sintering or build-up welding. other approaches, which includes binder jetting, are completed by a sintering pass to fully treatment the material. so one can localise and element thermal conspicuities in these procedures, infratec infrared cameras guide the willpower and next adherence to thermal technique parameters by means of in-line monitoring. infrared cameras may be included directly into the procedure manage gadget to enable a non-touch and non-invasive temperature size.
Numerous of these manufacturing procedures are based totally on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are finished by way of a sintering pass by to totally treatment the material. In order to localise and element thermal conspicuities in these processes, InfraTec infrared cameras assist the dedication and subsequent adherence to thermal procedure parameters by using in-line monitoring.
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High-voltage circuit breaker (or high-voltage switch) it can not only cut or close the high-voltage circuit no-load current and load current, but also when the system fault occurs through the role of relay protection device, cut off the overload current and short-circuit current, it has a fairly complete arc extinguishing structure and sufficient current breaking capacity, can be divided into: oil circuit breaker (multi-oil circuit breaker, less oil circuit breaker), sulfur hexafluoride circuit breaker (SF6 circuit breaker), compressed air circuit breaker, vacuum circuit breaker, etc.To ensure
GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safetyrequirements can be provided.
Lightning arrester: an electrical apparatus used to protect electrical equipment from high transient overvoltages during lightning strikes and to limit the duration and often the amplitude of the renewal current.
Severa of these manufacturing methods are based totally absolutely on laser applied sciences inclusive of laser melting, sintering or build-up welding. different approaches, which consists of binder jetting, are achieved by way of a sintering bypass to totally cure the material.