insulator

The pin and cap type insulators have been used since the last quarter of the 18th century.

cured by moisture diffusion from the surrounding air into the material and is rarely used for the production of insulators.

While pulling out the drill, crossbeams (metal structures on which insulators and conductors are mounted) are attached to a new support.

And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use.

Electrical insulators are commonly used to hold conductors in place, separating them from one another and from surrounding structures.

Thermal insulators, which break up the heat-flow path by absorbing radiant heat, include fiberglass, Cork, and rock wool.

ZnO nanoparticle is a typical semiconductor Electric conductivity of which is between that of conductors and that of insulators.

The most critical thing to be considered in outdoor insulators is the interface between the solid insulting body and the surrounding air.

Solids vary greatly in resistance, some being very good conductors, while others are so resistant that they are referred to as insulators.

These components are collectively referred to in this standard as hollow insulators.

The electricity that collects on insulators is called a static charge because the electricity is at rest.

This paper expounds the mechanism of insulators contamination flashover and the online monitoring principle of the system.

Insulators permit only a slight motion of electrons; therefore, electrostatic charges can build up on a material and create hazards.

There exist neither perfect insulators nor perfect conductors, for all substances offer opposition to the flow of electric current.

Sufficient antenna wire and insulators shall be provided to enable a suitable antenna to be erected on board.

ability to conduct electric current, all materials may be classified into three major categories: conductors, semiconductors and insulators.

Teflon, polyethylene, and sapphire are examples of good quality insulators, but avoid materials like phenolics and nylon.

Electrical insulators are materials that are most resistant to the flow of electrons through them.

Electrical insulators of any material.

The test shows that the flashover voltage of polluted insulators regularly decreases with the increasing of the altitude.

In this paper, overall seismic performance of the insulators structure used in reactors is analyzed.

In practice, it may be quite difficult to distinguish stored charge effects (in insulators) from piezoelectric effects.

But for the crystal to do its job, those elements must also be electrical insulators.

Called topological insulators, these materials conduct electricity by harnessing a quantum-mechanical property of electrons called spin.

This article elaborates signal transmission, selection of insulators for hydrometric cableway of Yifeng hydrological station in Jiangxi.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. INDOOR BUSHINGS WITH CERAMIC INSULATORS. DIMENSIONS FOR INTERCHANGEABILITY.

Leakage current is an error current that flows through insulators when a voltage is applied.

It wasn't long before the burgeoning electrical industry seemed to say just one word to him: insulators.

To avoid the effects of contamination and humidity, select insulators that resist water absorption, and keep humidity to moderate levels.

Insulators and fittings for overhead lines. Glass insulators of the cap and pin type. Characteristics. Dimensions.

The DC static high voltage meter is the main instrument for measuring the terminal voltage of the insulators.

red vulcanized fiber paper washer shall be set among steel fasteners connecting insulators to bracket and trolley wire.

Support insulators must be taken to a reprocessing plant .

Figure 2-14 shows how the guard can eliminate the leakage current that may flow through the stand-off insulators in a test fixture.

Substances that behave like metals in that kind of experiment we call conductors. Substances that behave like plastics we call insulators.

And one of our traditions is that we have little candles, birthday candles, in little electric wire insulators.

Semi-conductors have poorer conductivity that conductor , but better conductivity than insulators .

Semiconductors have properties different from those of conductors and insulators.

Insulators and fittings for overhead lines. Glass insulators with joint caps and pins. Characteristics. Dimensions.

You can regulate the ventilation of the insulators by calculating the circulation of manipulated chocolate.

However, some failures due to silicone rubber materials happen both in manufacturing and in service of composite insulators.

Transformer short-circuit fault handling precautions. 1, pieces of insulation should be replaced to ensure the performance of insulators.

Typical patterns of histone methylations exhibited at promoters, insulators, enhancers, and transcribed regions are identified.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. SEALING STRENGTHENING METAL FITTING (RS).

Polymer solar panels differ from most commercial plastics like polythene which are essentially insulators.

For safe reason, an overall check and analysis of cryogenic mechanics property for EAST Tokamak composite insulators is needed.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. DOUBLE-STOP CONDUCTOR ARRANGEMENT (AD).

Metals and impure water are examples of good conductors or insulators.

RAILWAY ROLLING STOCK. INSULATORS FOR PANTOGRAPHS AND ROOF CABLES. CHARACTERISTICS AND TESTS.

Finally, the insulators can be accurately detected through them.

INSULATORS AND OVERHEAD LINE HARDWARE. METAL FITTINGS. SIMPLE HORIZONTAL BRACKETS (HS).

Railway rolling stock. Connecting and electrical apparatus post insulators.

Inspection should verify safety of bearing assemblies and integrity of insulators and conductors.

Insulators and fittings for overhead lines. Dimensions of ball and socket couplings of string insulator units.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. GALVANIZED SQUARE TUBES (TG).

You can regulate the ventilation of the insulators by calculating the circulation.

Conductors and insulators are of great use in industry as well as in our daily life.

Ice accretion on insulators usually causes great damage to high voltage transmission systems.

For physicists, the interest in topological insulators does not end with their spintronic promise.

Semiconductors are materials that liemidway between insulators and conductors in their ability to pass an electric current.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. ASSEMBLING STAY-PLATE (GA).

The thermoelectric generation elements (104), being good thermal insulators, provide good thermal insulation to the process.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. GLASS INSULATORS SUB-STATION SINGLE-POLE LEAD-IN PANELS.

Wherever conductors are needed, insulators will be in dispensable .

The support insulators should be made of materials with very high resistance, such as Teflon. or ceramic.

Objects which cannot let electricity pass through are called insulators.

Insulators and fittings for overhead lines. Metal fittings. Twining and bracing rods (TG).

At present 402 composite insulators of this line have been running well.

Experiments show that the method can better detect and locate insulators in the image video.

These topological insulators are band insulators with large spin-orbit interactions and exhibit the quantum spin-Hall (QSH) effect.

First, according to the texture of insulators, the basic texture features of insulators are produced using gray level co-occurrence matrix.

Galvanized Accessories For Glass Insulators.

Typical sources of such offset currents are insulators and cables.

Most metals are good conductors of electricity, while paper, air and glass are good insulators.

Insulators and fittings for overhead lines. Metal fittings. Metal sole-plate (SM).

PAPER AND BOARD. CHARACTERISTICS OF PAPER FOR LAMINATED INSULATORS.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. SEALING ARM (BS).

Hydrophobic measurement is an important way to evaluate the performance of insulators.

To reduce leakage currents, use good quality insulators, reduce the level of humidity in the test environment, and use guarding.

INSULATORS AND FITTINGS FOR OVERHEAD LINES. METAL FITTINGS. STAY-HOOK (CR).

In accordance with the insulator material, there are porcelain, glass and composite insulators at present.

Most metal oxides widely used are semiconductors or insulators, and have good absorbing properties to laser.

Based on the experimental and theoretical modal analysis, the fault diagnosis method for porcelain insulators is studied.

The walls and the partition of the container are perfect insulators.

So how to locate the defective insulators on the strings is the main point and difficult point for insulator detecting.

and insulators, and whose resistivity can sometimes be changed by light, an electric field or a magnetic field.

Many ceramics are good electrical and thermal insulators.

All substances may be classified as conductors or insulators according to their resistance to current.

Radio interference test on high-voltage insulators.

These insulators are very reliable.

We call insulators those substances whichprevent the passage of electricity.

In order to ensure reliable operation of the overall security of devices, the reliable detection of insulators and analysis is needed.

This technique was abandoned because these insulators experienced a lot of problems.

A new robot for hot-line sweeping of post insulators in substations is introduced.

And the resulting panels are such good insulators that swapping them into refrigerators could lead to about a 50 percent energy savings.

Its insulators and switch cabinet are sold to Vietnam, Nepal, and other countries and zones.

The properties of some insulators change with applied voltage, so it is important to evaluate IR at or above the expected operating voltage.

The six cables that pass from one pylon to another are each borne by two insulators attached to the poles.

It is obvious that conductors and insulators are both important in industry.

If insulators become contaminated, apply a cleaning agent such as methanol to all interconnecting circuitry.

Based on the above studies, a comprehensive method of detecting faulty insulators was summarized.

Beware of exposing any insulators to heavy loads .

We do a fair amount in tiles and in insulators for electrical appliances.

Triboelectric effects can also occur in other insulators and conductors that touch each other.

Use boughs as insulators on the interior floor.

This paper presents a detection method for insulators based on texture features.

We do a fwaterdrop number in tiles or in insulators to electrical appliances.

External shunt resistances, such as leaky cables and dirty insulators, may also cause loading errors.

What would happen if there were no insulators?

The modern style polymeric insulators were introduced about 25 years ago with most recent version about 13 years ago.

In metals all electrons are free, and in insulators they are fixed.

In order to decrease the flashover accidents, it is especially important to detect the contamination level of insulators accurately.

What will be produced when two different kinds of insulators rub against each other?

Open the package from the top and from the side of the insulators.

Research and development of the surface flashover of ceramic insulators used in vacuum devices

Assessment on Operation Characteristics of Composite Insulators Used for Transmission Line in Henan Provincial Power Network

On the ceiling one may see ceramic insulators. Interesting, what this room was for.

Development History and Direction of Composite Insulators on Important Manufacture Technique

Railway applications - Fixed installations - Electric traction - Special requirements for composite insulators

The Characteristic of Electrical Corrosion-proof of Composite Insulators and Its Regional Difference of Electrical Corrosion Aging

Measurements of the electrical properties of transmitting tubes ? Measuring methods of high frequency loss for interelectrode insulators

China strain insulators used for the line built on stilts

A Finite Element Method for the Calculation of the Electric Field and Potential Distribution along the 330 kV Line Composite Insulators

Sealing Structure Characters of Compressed Type End for Compound Insulators and Its Stability of Sealing Property

Abstracting Frequency Spectrum Characteristics of Insulators Leakage Current in Safety Zone to Forecast the Contamination Condition

China insulators used for the electric car line

Comparison of the AC Pollution Flashover Characteristics of Insulators Under Two Different Polluting Manners

Study of Pulse Current Characteristics for Composite Insulators

Calculation and Improvement of Potential and Electric Field Distributions of Composite Insulators for High Voltage Transmission Line

From Mott insulators to high temperature superconductors: duality between spin magnetism and superconductivity

Study of Method of the Wet Power Frequency Electrical Test for Composite Insulators

Primary Discussion about Internal Stress and Life Cycle of Toughened Glass Piece of Insulators

Operation Condition Analysis of Tension Strands Consisting of Composite Insulators on Probation for Polluted Region in Guangdong Power Grid

DC Contamination Flashover Performance of Composite Insulators Lost Hydrophobicity

Experimental Research of Acoustics Emission Identification of Partial Discharge from Insulators

Current operation status and prospects of insulators used in power transmission lines

Test Research on Operation Life of Silicon Rubber Composite Insulators

Explanation of Product dimensions and characteristics of silicone composite insulators for use on a. C. Systems

Comparison of AC Artificial Pollution Flashover Performance Between Porcelain and Glass Insulators

Dynamic Modeling and Analysis of a Cleaning Robot for Hotline Insulators

Motion Optimization of a Cleaning Robot for Hotline Insulators

Research on Reliability of Composite Insulators Used in EHV and UHV DC Transmission Lines

Artificial pollution tests on high-voltage insulators to be used on a. c. systems - solid-layer method

Calculation and Optimization of Electric Field and Voltage Distribution Along Long-rod Composite insulators

Synthetic Measures of Increasing Flashover Voltage for Heavy Contaminated Insulators

Composite Suspension Insulators for Overhead Transmission Lines - Tests

Application of support vector machine in assessing contamination condition of high voltage insulators

The wet-flashover performance of composite insulators in different hydrophobicity and pollution class

State-of-the-Art of DC Flashover Characteristics of Iced Insulators

Analysis of the Characteristics for Porcelain Long Rod Insulators in Transmission Lines

technical specifications of long rod suspension composite insulators for overhead contact system of electrified railways

Present Situation and Prospect of Research on Flashover Characteristics of Polluted Insulators

Technologies of External Insulation and Composite Insulators in Power Distribution Lines

Dynamics Modeling and Trajectory Optimization for Cleaning Robot with Hotline Insulators

Surfaces of dense ceramic components for electrical engineering; high-voltage and low-voltage insulators

DC Discharge Performance of Cylindrical Post Insulators Covered with Ice

Research on Spreading Characteristics of Acoustics Emission Wave from Discharge of Insulators

Calculation and Analysis of Aseismic Performances of Supporting Insulators in Large Shunt Air - Core Reactor

Electron Triggered Polarization Relaxation Theory for Flashover of Insulators in Vacuum

Thermal Conductivity and Moisture Absorption of Biomass Materials as Thermal Insulators

Pin insulators of ceramic material for high voltage overhead lines--Technical specifications

Analysis and Determination on Shape of Outer Insulation Surface Structures of Compound Insulators

Option and Application on Insulators Used in Dirty Environment

Experimental Investigation of Electric Linear Characteristics of UHVDC Composite Insulators

INSULATORS AND OVERHEAD LINE HARDWARE. METAL FITTINGS. DOUBLE HORIZONTAL BRACKETS (HD)

Characteristics of Leakage Current of Insulators in Saturated Moisture Condition

Suggestion on improvement of operational reliability of HV supporting insulators

The influence of voltage grading fittings on electrical performance of composite insulators

Study on the outer insulation properties of electric locomotive roof epoxy composite insulators

Appraisal and Analysis on Operation and Application of Compound Insulators in Zhejiang Power Network

Comprehensive Comparison and Fault Analysis of Insulators for Transmission Line

Technical specifications of porcelain element for high voltage insulators

Research on Ultrasonic Inspection Technique of Pillar Insulators and Porcelain Cover

Another chat about design of anti bird-calamity installations for organic composite insulators

Experimental Research and Analysis on Acoustics Emission from Interior Discharge of Noncomposite Insulators

Experimental Research on Acoustics Emission from Discharge of Insulators

Simulation Analysis of Arc-guiding Performance of Grading Rings for Composite Insulators

On-site Measurement of Pollution Layer Conductivity for Suspension Insulators

Research on Mechanical Properties of Composite Insulators under Dynamic Loads

Flashover mechanism of silicone rubber composite insulators

Contamination Grades Recognition of Insulators Under Different Humidity Using Infrared Image Features and RBPNN

Hybrid Electroluminescent Devices Using Thick and Thin Ceramic Films as Insulators

Vibration feature of composite insulators and confirmation of creep vibration test

Research on Flashover Causation of Composite Insulators Operating in East Shanghai

Evaluation Methods for Operational Status of Composite Insulators

Study on the Pollution Measurement of Insulators along the Coast

Development and Application of New Type Compound Insulators for EHV Ground Wire

Rod porcelain insulators for a. c. system traction lines

Dynamic Characters Exploring of Flashover Arc for AC Contaminated Insulators

The conductivities of these kinds of material are between those of metals (conductors) and insulators

Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V

Study on Un-uniform Pollution Flashover Characteristic of DC Composite Insulators

Application of New Insulators in Generators of Combined Cycle Power Plants

Analysis on Broken Accident of High Voltage Porcelain Post Insulators of Shandong Electric Power Co

Application of On-line Pollution Monitoring System for Insulators in HV Transmission Lines

Application of silicon elastomer paint to insulators of electric locomotive

Study on Inverse Problem of Electric Field of High Voltage Ceramic Insulators and Its Application in Insulator Detection

Primary Discussion about Valuing Safety Factors for Perennial Load of Insulators

Natural Pollution Deposit Test of Polymeric Insulators Operated under DC Voltage

Long-Term Mechanical Property of Composite Insulators for UHV Transmission Lines

Analysis of the contamination of insulators using the partial surface conductivity method

Installation and Maintenance of Compound Insulators

Specification for tests on hollow insulators for use in high voltage electrical equipment

Performance and Application of Toughened Glass Insulators

Simulation experiments of UV corona detectors for monitoring of line insulators

Guide to artificial pollution tests on high voltage insulators to be used on d. c. systems

Detection of porcelain suspension insulators

Tracking Wheel Test of Composite Insulators and Comparison with Inclined Plane Test

The Effect of Wet Precipitation on Characteristics of Artificial Contaminated Insulators

Analysis of Hydrophobicity of Composite Insulators

Ultrasonic Testing Validity of Porcelain Post Insulators

The ultrasonic inspection for porcelain strut insulators

Insulators are good generators of ESD through rubbing; some examples shown below :

Coupling dimensions of suspension insulators for high voltage lines

Specification of porcelain element for low voltage insulators

Plate supported pin type insulators; dimensions of connection

Polarity effect of DC contamination-flashover of composite insulators

Analysis on Causes of String Breakage Failure of Insulators on Transmission Lines

Study on Online Detection of Faulty Composite Insulators by Electric Field Method

Analysis of Operation Failure of High Voltage Post Insulators of Ceramic Material

Equivalent simulation of dam heat insulators and their effect analysis

Investigation on the Causes of Intensive Shattering of Glass Insulators

Wet-Process Porcelain Insulators - Apparatus, Post-Type

A Comparison Between Composite and Porcelain Insulators

Analysis on Lightning Flashover of Synthetic Insulators

Operating condition and evaluation of compound insulators in Panyu

Water hatred of composite insulators in heavily contaminated areas

Research on Ageing Test of Silicone Rubber Material for Composite Insulators

Realization and Design of Leakage Current Detecting System of Flashover Process on Iced Insulators

Application Prospect of Long-rod Shaped Insulators in EHV Transmission Line

Research on Leakage Current and Discharge Phenomena of Insulators

Major feature of silicone composite insulators produced by our factory

Stability Property of Acid - resistant Core Bar of Compound Insulators

Failure Character and Non-destructive Testing of Insulators in Service

Design of Passive Counter for Monitoring Leakage Current of Insulators

Pin insulators of ceramic material for high voltage verhead lines--Dimensions and characteristics

Inner-Defect Detection Method for Composite Insulators

Analysis of Sealing Function and Sealing Structure about the Ends of Composite Insulators

Wet-Process Porcelain Insulators - Low- and Medium-Voltage Types

Wet-Process - Porcelain Insulators - High-Voltage Line-Post Type

Brittle fracture of high voltage composite insulators

Analysis on Operation Performance of Glass Insulators

Numerical Calculation of the Trap Depth for Space Chargein Polymer Insulators

test method for ceramic insulators of spark plug . test method for volume density

Characteristics of indoor and outdoor post insulators for systems with nominal voltages greater than 1000 V

Detection Method of Composite Insulators for DC EHV Transmission Lines

Evaluation on Profile Factor of Composite Insulators

High voltage post insulators of ceramic material--Part 2: Dimensions and characteristics

Wet-Process Porcelain Insulators - Apparatus, Cap and Pin Type

Analysis on Causes for Fracture of Siemens'Compound Insulators