Suspension tempered glass insulator products are used for insulating and suspending wires in high-voltage and ultra-high-voltage AC and DC transmission lines.Type of insulator acc. RussianstandardUltimateMechanical Strength of insulators, KN, not lessDiameter of glass shed (D), mmSpacing, mmCreepagedistance, mmWeight, kgVoltage withstand, kV, not lessImpulseFrequency50 Hz, wetRadio interference levelU40BSU40BL401751001101851,7703025
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Reference standardsGB11032-2000 AC gapless metal oxide arresterJB/T8952-2005 Metal Oxide Surge Arrester with Composite Jacket for AC SystemJB/T10497-2005 Metal Oxide Surge Arresters with Series Gap and Composite Jacket for AC Transmission LinesGB311.11-1997 Insulation Coordination of High Voltage Transmission and Transformation EquipmentJB/T8459-2006 Preparation Method of Arrester Product Model□ Structural characteristics1.
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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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SpecificationsRated voltage kVCustomized mechanical tensile load KNconnection markStructure height H (mm)Minimum arc distance h (mm)Minimum nominal creepage distance h (mm)Lightning full-wave impulse withstand voltage (peak kV not less thanThe operating impulse withstand voltage (peak value) kV is not less thanPower frequency wet withstand voltage 1minkv (effective value) kV is not less thanFXBW4-10/40104011W340±1519040095-60FXBW4-10/70107016W360±1519049095-60FXBW4-10/1001010016W400±1519049095-60FXBW4-20/40204016W450±15280600170-75FXBW4-20/70207016W470±15280750170-75FXBW4-20/1002010016W500±152
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Composite insulators are composed of three parts: insulating core rod, silicone rod rubber sheath and connecting fittings at both ends. Insulating mandrel is the abbreviation of epoxy resin fiberglass lead rod, it is the skeleton of composite insulator, it plays multiple functions such as supporting umbrella cover, inner insulation, connecting hardware at both ends, and bearing mechanical load, etc.
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Our 110kV and 220kV composite jacket line arresters have passed the type test of the National Insulator Arrester Testing Center and have performed well.Our company has adopted a unique design of core rod through ring resistor, directly crimping end fittings and reliable sealing process to make it have the tensile strength of suspension composite insulator. (Patent No.: 2007200155561.4).
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Glass Pin Insulator is extremely convenient for transportation and installation; it adopts non-breakthrough type design, no need to measure zero value during operation; reliable structure, no damage to the core bar, and can give full play to its mechanical strength.
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The coupling between the glass lead rod and the fixture adopts the most advanced crimping technology, with beautiful appearance, small volume, light weight, not easy to break, bending, high torsional strength, strong explosion-proof, and extremely convenient transportation and installation.Type ofinsulator acc.RussianstandardUltimateMechanicalStrength ofinsulators,KN, not lessDiameterof glassshed (D),mmSpacing,mmCreepagedistance,mmWeight, kgVoltage withstand, kV, not lessImpulseFrequency50 Hz, wetRadiointerference levelSHS-10D12,51301602801,35754040SHS-20G131401904001,71355050
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Hand held low light level observation mirror is a portable photoelectric observation mirror. The instrument is used to observe targets at night and under low illumination conditions.
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Using the existing image intensifier technology, the antimony cesium photocathode UV image intensifier is successfully developed, with UV transparent quartz glass as the input window and double proximity focusing image intensifier. Solar blind UV imaging detection module is an imaging detection product for solar blind UV band based on UV image intensifier manufacturing technology, combined with optical design technology and electronic signal processing technology. It is mainly composed of solar blind UV coupling module, solar blind UV optical module and signal processing module.
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The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit or equipped with a special propulsion mechanism to form a handcart unit.Model and meaning This type of product is equipped with a bistable permanent magnet operating mechanism. The mechanism is equipped with a permanent magnet. The permanent magnet provides the holding force to keep the switch in the closed and open state.
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The turret assembly of situational awareness system carries two photoelectric sensors, thermal imager and TV camera, for image acquisition. It also integrates GPS and electronic compass, which can solve the target and local position. It can ensure the stable scanning of circumferential view through the step-by-step scanning stability platform, realize panoramic imaging, and then communicate with the display and control terminal through the wireless or optical fiber transmission module inside the turret.
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For border and coastal defense monitoring and important places, long-distance and ultra long-distance observation equipment is essential. Long focus and multi field of view infrared thermal imager products can well meet the needs of long-distance observation at night. The infrared optical system designed with long focus and multi field of view can not only meet the needs of target search, but also meet the needs of further observation.
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CMOS hand-held night vision instrument is a portable photoelectric night vision instrument, which can observe the target under all-weather conditions.
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The uncooled infrared focal plane thermal camera core assembly is adopted, which has the characteristics of small volume, light weight, long action distance and easy operation. The product can be used day and night, and has the ability to penetrate smoke and fog. It can "see" the target through the jungle and some shelters. The product is suitable for aiming, observation and search.
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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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Fuse selection The selection of the fuse should ensure that the distribution transformer internal or the high and low voltage outlet pipe can be quickly fused when there is a short circuit. In practice, the following principles are often used for selection; if the capacity of the distribution transformer is below 160KV, the fuse should be 2-2% of the rated current of the transformer.
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installation and use 1. The fuse allows horizontal or vertical installation 2. When the data of the melt tube does not match the voltage and rated current of the line, it must not be connected to the line for use. 3.
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Most advanced stirling cooler in the world. Very powerful cooling ability. Very powerful cooling ability. Most advanced stirling cooler in the world.
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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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