News Center
SF6 decomposition system Vaisala

SF6 decomposition system Vaisala

GDSF-311WPD is ideal instrument when it is necessary to test water content, purity and decomposition products of SF6 gas. The core component of dew point test is DRYCAP® series sensors produced by Finland Vaisala company.

[email protected]
News Detail
  • SF6 Gas Insulated Equipment | Vaisala

    SF6 Gas Insulated Equipment | Vaisala The electric power industry uses SF6 to insulate switchgears, circuit breakers and other equipment used in electricity transmission and distribution. To ensure the integrity of SF6 gas as an insulator, the amount of water vapor in SF6 gas should be kept to a minimum.

    Get Price
  • Multiparameter Transmitter DPT145 for SF6 Gas - Vaisala

    The Vaisala Multiparameter Transmitter DPT145 for SF6 Gas is a unique innovation that enables online measurement of dew point, pressure, and temperature. It also calculates four other values, including SF6 density. The DPT145 is especially well suited for integration into OEM systems.

    Get Price
  • Online Dew Point Monitoring of SF6-Gas-Insulated - Vaisala

    of an SF6-insulated switch in Finland (fall 2010). Figure 4. Measurement data (dew point, pressure, and temperature) from an indoor system. Installation of an Online Dew point Sensor When designing an online measurement setup for a dew point sensor in SF6-insulated equipment, the basic principles of water vapor behavior described earlier should

    Get Price
  • Dew Point (for dry conditions) | Vaisala

    The Vaisala Multiparameter Transmitter DPT145 for SF6 Gas is a unique innovation that enables online... Portable Sampling System DSS70A and sampling cells for Hand-Held Meter DM70 The Vaisala DRYCAP® Portable Sampling System DSS70A provides a compact solution for field checking dew point where direct...

    Get Price
  • Gas Insulated Systems – SF6 Gas Monitoring – TransVoltech

    On-line monitoring for SF6 gas – of Gas Insulated Systems • We offer reliable permanently installed “On-line” monitoring system of VAISALA, Finland for SF6 gas of Gas Insulated Systems (GIS) as: Multiparameter transmitter DPT145 for measurement of dew point, pressure and temperature.

    Get Price
  • SF6 Multi-function Analyzer

    1) SF6 Multi function tester can measure Decomposition,Dew point,purity in one time, it can greatly save gas, itthe best instrument to protect environment and reduce pollution. Meanwhile, it can reduce userworkload to improve work efficiency.

    Get Price
  • DPT145 Multiparameter Transmitter for SF6 Gas

    condition of SF6 insulation due to online measurement Long calibration interval of years The Vaisala Multiparameter Transmitter DPT145 for SF6 Gas is a unique innovation that enables online measurement of dew point, pressure, and temperature. It also calculates four other values, including SF6 density. The DPT145 is especially well suited for

    Get Price
  • SF6 By-products: Safety, Cleaning, and Disposal Concerns

    6 Decomposition and Contamination • Reactive decomposition byproducts form when SF 6 is exposed to: 1. spark discharges, 2. partial discharges, 3. switching arcs, and 4. failure arcing • Decomposition byproducts can take the form of gas or powders • Other types of contaminants can include moisture and air (from handling or leakage),

    Get Price
  • SF6 Gas Decomposition with return system

    SF6 Gas Decomposition with return system. The term GIS (gas insulated switchgear) in MV is commonly used also in hybrid solutions, which are partially SF6 based switchgear systems. It is used where, for example, the busbars are solid dielectric and only the circuit breaker, disconnectors and earthing switch are in sf6 gas.

    Get Price
  • Byproducts of Sulfur Hexafluoride (SF6) Use in the Electric

    the decomposition products and concentrations formed under actual conditions can vary depending on the equipment used and the type of electrical discharge (CIGRE 1997). 1 CIGRE (the International Council on Large Electric Systems) is a permanent non-governmental and non­ profit-making international association based in France.

    Get Price
  • Senja Leivo / Regional Segment Manager / Vaisala / Helsinki

    (SF6) gas and to reduce the forma-tion of corrosive by-products from SF6 decomposition, the amount of water vapor in gas-insulated high- voltage equipment must be kept to a minimum. Although initially filled with dry gas and being closed equip-ment at elevated pressure with no external gas flow, the high penetra-tion ability of water molecules may

    Get Price
  • Knowledge is Power - GRUPO ALAVA

    of unwanted secondary decomposition products, the amount of water vapor in the gas insulated system (GIS) should be kept to a minimum. Also, the SF6 system needs to be pressure tight for best insulation performance and safe operation of the equipment. Industry First – Seven Parameters with One Meter The new Vaisala Multiparameter

    Get Price
  • The decomposition products of sulfur hexafluoride (SF6

    Nov 01, 2007 · Based on the previous description, the identified products in the SF 6 decomposition system were S 2 OF 10, CF 4, COF 2, F 2, HF, H 2 S, NF 3, F 2 O, SiF 4, SO 2, S 2 F 10, SF 4, SO 2 F 2, SOF 2, SOF 4 and S 2 O 2 F 10. For example , the hydrolysis reaction of SF 6 with water may occur in the presence of an unvented indoor combustion source to

    Get Price
  • Vaisala Density with return system

    Vaisala’s Airport Lightning Information System (ALIS) service helps customers make well-informed decisions that optimize safety and efficiency at airports anywhere in the world. One year global lightning event density map using GLD360 cloud-to-ground stroke and cloud flash data from 1 July 2011 through 30 June 2012.

    Get Price
  • SF6 Dew Point Purity Moisture Analyzer

    sensor from Vaisala Finland, Purity sensor from HNP German, Decomposition sensor from dedicated SF6 Dekang the United States. 3) The instrument has a large LCD display to show various real-time parameters, the whole fool operation, massive information storage, rechargeable battery for AC / DC purpose.

    Get Price
  • Vaisala Portable Dewpoint Meter / Moisture in SF6 Meter DM70

    Portable Dewpoint Meter DM70 / Moisture in SF6 Meter DM70 The Vaisala DM70 Hand-held Dew point Meter measures dew point temperature accurately in a wide measurement range: from -60ºC to +60ºC. DM70 incorporate Vaisalaadvanced DRYCAP technology, which enables reliable and high performance dew point measurement.

    Get Price
  • GDSF-311WPD 3-in-1 SF6 Gas Analyzer-3-in-1 sf6 gas analyzer

    GDSF-311WPD is ideal instrument when it is necessary to test water content, purity and decomposition products of SF6 gas. The core component of dew point test is DRYCAP® series sensors produced by Finland Vaisala company.

    Get Price
  • SF6 Gas Calibration with return system

    SF6 Gas Calibration with return system What are the most important factors of quality criteria for sf6-gas gas in gas insulated switchgear (GIS)?. The following is of great importance: gas density, moisture concentration, decomposition products, gas purity (air concentration) which are determined by means of special sf6 gas measuring

    Get Price
  • sf 6 Decomposition laboratory

    sf 6 Decomposition laboratory. Sulfur hexafluoride (sf6-gas) or sulphur hexafluoride (British spelling), is an extremely potent and persistent man-made and naturally occuring greenhouse gas that is primarily utilized as an electrical insulator and arc suppressant.

    Get Price
  • Handling and Use of Sulfur Hexafluoride Gas

    system as described in the processing cart operating/maintenance instruction booklet. 6. Draw a vacuum on the gas compartment to complete the SF 6 gas removal process. 7. Break vacuum with nitrogen or dry air as applicable. 8. SF 6 Gas that is to be reused on the same equipment may be kept in the processing cart until maintenance is complete.

    Get Price
  • Vaisala Leak monitoring with return system

    Vaisala Leak monitoring with return system. Interstitial monitoring requires secondary containment, like a double wall tank or double wall piping, which provides a barrier between the tank or piping system and the environment. The barrier holds the leak between the tank and the barrier so that the leak is detected. [email protected]

    Get Price
  • Online Monitoring of SF6 Insulation in High-Voltage Equipment

    Vaisala offers online monitoring of SF6 insulation in high-voltage equipment. The Vaisala Multiparameter Transmitter DPT145 combines online dew point monitoring with pressure measurement, creating a tool for assessing the condition of SF6 insulation continuously and in real-time.

    Get Price
  • SF6 room Measurement manufacturer

    SF6 comprehensive tester is a collection of sf6 micrometer, sf6 purity tester, sf6 decomposition product analyzer in one, concentrate the functions of three instruments in one instrument. One on-site measurement can complete the detection of three indicators, greatly saving gas in the equipment. Get Price

    Get Price
  • The SF6 Decomposition Mechanism: Background and Significance

    Jan 24, 2017 · The decomposition phenomenon would greatly reduce the insulation performance of SF6 insulated equipment, and even paralyze the whole power supply system. In this chapter, we first discuss the objective existence, decomposition mechanism and harmness of insulation defects.

    Get Price
  • Vaisala Analog Barometer PTB110 Series

    Vaisala PTB110 Analog Barometer is designed both for accurate barometric measurements at room temperature and for general environmental pressure monitoring over a wide temperature range. Ideal for system integrations, and widely used in marine buoys and weather stations.

    Get Price
  • HPFJ-311M SF6 Gas Decomposition Tester

    General Information HPFJ-311M SF6 Gas Decomposition Product Tester is a portable device designed to measure SF6 gas decomposition product. The core component with electrochemical sensor from Membrapor to test SF6 gas decomposition product. Besides, we also adopt professional hardware chips and excellent software algorithms of STMicroelectronics.

    Get Price
  • GDP-311PCAW 3-in-1 SF6 Quality Analyzer-GDP-311PCAW 3-in-1

    The core component with NDIR sensor produced by European sensor company to test SF 6 gas purity, RC sensor produced by Vaisala, Finland to test dew point, NDIR sensor produced by Smartgas, Germany to test SF 6 gas decomposition produc t--CF4. t he air sensor adopts itg technology.

    Get Price
  • Power Industry Applications - Mecord

    To ensure the integrity of SF6 gas as an insulator, the amount of water vapor in SF6 gas should be kept to a minimum. Moisture may also increase the formation of unwanted secondary decomposition products, which can lead to arcing and equipment failure. Online monitoring of SF6 is convenient with VaisalaMultiparameter Transmitter DPT145.

    Get Price
  • GDSF-311WPD SF6 Gas Purity Dew Point Tester SO2 H2 - SF6 Expert

    GDSF-311WPD SF6 Gas Purity Dew Point Tester SO2 H2S Analyzer GDSF-311WPD is ideal instrument when it is necessary to test water content, purity and decomposition products of SF6 gas. The core component of dew point test is DRYCAP series sensors produced by Finland Vaisala company.

    Get Price
edge-iconMaybe You Will Be Interested
toTop
Click avatar to contact us
Chat Online