آخرین محصولات

Potential Uses of Local Clay Materials for the Production of …

Porcelain electrical insulators are the most complex multi-phase ceramic materials produced from naturally available plastic materials (clay), fluxing agents …

Calculation Model Simplification for Porcelain Insulator …

The finite element model of UHV AC transmission line porcelain insulator string potential distribution and the grading ring surface electric field distribution calculation have characteristics of large sizes,complicated structures and various media.To ensure the calculation accuracy,the related influential factors should be considered thoroughly to …

Calculation model simplification study for porcelain insulator …

The finite element model of the Ultra High Voltage (UHV) AC transmission line porcelain insulator string potential distribution and grading ring surface electric field distribution calculation has the characteristics of large size, complicated structure and various mediums. To insure the accuracy, related influencing factors should be considered to simplify the …

Utilization of zirconia nanoparticles for improving the electrical …

The effect of zirconium oxide nanoparticles (NZ) addition on the electrical and physical properties of porcelain insulators over high different sintering temperatures was investigated. Different amount of zirconia nanoparticles (0–8 wt%) was added to porcelain sample that obtained from local raw materials found in large quantities and excellent …

Potential Uses of Local Clay Materials for the Production of Porcelain …

Porcelain electrical insulators are the most complex multi-phase ceramic materials produced from naturally available plastic materials (clay), fluxing agents (feldspar), and filler materials (quartz) under various thermal conditions (Iqbal & Lee, 2000; Mehta et al., 2018; Nwachukwu & Lawal, 2018).It is a critical material in electric power …

PPC Porcelain Post Insulators

IEC Post Insulators. PPC Insulators production facilities for IEC station post insulators manufacture in full accordance to IEC60273. Operating rod columns for disconnectors are manufactured corresponding to the relevant post insulators. Insulation requirements are available in ratings from BIL 60kV to >2550kV.

The utilization of electrical insulators waste and red mud for

There are some reports in the literature where they reuse fired ceramic wastes as raw material in their porcelain mixture to manufacture ceramic insulators (Gress & Leshchenko, 1969;Caligaris et ...

Simulation of 33kV String Insulators Using Finite Element Method …

Ceramic insulators consists of glass and porcelain are the traditional insulator that have been used until today in electrical power transmission line. These in ... An attempt has been made to simulate the voltage and electric field distribution of 33 kV porcelain insulators using finite element method (FEM). Based on simulation results, it is ...

Forming Porcelain Insulators

Electrical insulators are devices used in electricity supply networks, and porcelain has long been used as an electrical insulator. The advantages of porcelain insulators include superior electrical properties, good mechanical properties (especially tensile strength), good creep resistance at room temperature and high corrosion …

Ceramic (Porcelain and Glass) Insulators

The alternative method is formation by extrusion bars that are machined into the desired shape. The shells are dried and dipped into a glaze material. After glazing, the shells are fired in a kiln at about 1200 8C. ... The long rod insulator is a porcelain rod with an outside weather shed and metal end fittings. The long rod is designed for ...

Valorisation of ceramic insulator waste in rendering mortar …

This study investigates the potential of using ceramic insulator waste (CIW) as a partial substitute for natural river sand in rendering mortar, examining its mechanical strength, thermal properties, serviceability, and sustainability. ... Ultra-high strength concrete made with recycled aggregate from sanitary ceramic wastes—the method of ...

Suspension Type Insulator

Advantages of Suspension Type Insulators. A suspension-type insulator provides a couple of advantages when used in transmission lines. These include: For high voltage levels and medium voltage levels beyond 33 kV, suspension-type insulators are much more economical as compared to other types of insulators i.e pin type insulators.

Opportunities to Recycle Insulation Components

So far, the problem of utilization of scrap porcelain insulators has not been greatly emphasized. Scrap porcelain insulators can be ground up for use in road aggregate, ice melt and outdoor tiling. Sometimes, used porcelain insulators can be re-utilized by the manufacturer as raw …

Comparative Analysis of Electric Field and Potential …

Figure 4: Voltage profiles along the porcelain and glass insulators: (a) dry clean, and (b) wet polluted 0 50 100 150 200 250 300 350 0 2 4 6 8 10 12 14 16 Leakage distance (mm)) Glass insulator Porcelain insulator Ground Ground HV HV Undulations 0 50 100 150 200 250 300 350 0 2 4 6 8 10 12 14 16 Leakage distance (mm)) Glass insulator Porcelain ...

Utilization of zirconia nanoparticles for improving the …

Fired porcelain scrap has been recycled as filler to obtain a sustainable high voltage porcelain insulator. Quartz was progressively replaced by 5, 10, 15 and 25 wt% of porcelain scraps in a ...

Inverse application of charge simulation method in …

The salient feature of this method is the significantly smaller number of measuring points and the greater distance between measuring points and insulator strings. Ceramic suspension insulators of ...

Manufacture of porcelain insulators from locally available …

This study discusses the local production, electrical characteristics and performance in service of porcelain insulators for outdoor low-voltage apparatus. Concern was given to the identification, beneficiation, characterization and utilization of locally available raw materials in Nigeria for the production of electrical porcelain insulators, …

Influence of incorporation of fired porcelain scrap as partial

Gunter Fassbinder investigated the use of a ground scrap of burned insulators on alumina porcelain insulators as a relative coarse raw material to …

(PDF) Production of Electrical Porcelain Insulators from Local …

This paper reviewed the production of electric porcelain insulators utilizing from local raw materials from developing countries. The raw materials used were feldspar, quartz/silica and kaolin.

Fired electrical porcelain scrap (chamotte waste) recycling …

The waste used in this research comes from the manufacture of electrical porcelain insulators (chamotte), and they were subjected to glazing and firing processes at approximately 1250–1300 °C. As seen from Fig. 1, these porcelain insulators were rejected by quality control since they present defects such as fractures, spots related to

Utilization of Birbhum China Clay, West Bengal for …

The electrical porcelain insulator was fabricated using local clay raw materials collected from Birbhum, West Bengal, with the objective to evaluate its suitability as a potential raw material.

Electric Field and Potential Distribution along Porcelain Insulator

ISSN (Print) : 2320 – 3765 ISSN (Online): 2278 – 8875 International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering ( An I SO 3 2 9 7 : 2 0 0 7 Ce rt ifie d Org a n iz a t ion ) Vol. 5, I ssue 5, M a y 2 0 1 6 Electric Field and Potential Distribution along Porcelain Insulator under Polluted ...

Review of Aging Evaluation Methods for Silicone Rubber Composite Insulators

Feature papers represent the most advanced research with significant potential for high impact in the field. ... Insulators can be classified into ceramic insulators, glass insulators, and composite insulators according to the materials. ... Zou, Q.G. Research on Operation State Evaluation Method of Large Tonnage Porcelain …

Opportunities in waste minimization: Epoxy composites for …

Every year these companies generate a lot of scrap porcelain insulators and to date there is no effective method which can be accepted world-wide for …

(PDF) Comparative Analysis Of Electric Field And Potential

Comparative Analysis Of Electric Field And Potential Distributions Over Porcelain And Glass Insulators Using Finite Element Method September 2018 DOI: 10.21467/proceedings.2.22

Improving the insulating and physical characteristics of HV porcelain …

High-voltage porcelain insulators are widely utilized in the transmission and distribution of electric power. The most function of the porcelains is to insulate live conductors from support structures [1, 2].The porcelain materials must have good electrical, physical and mechanical properties for an extended time [3,4,5,6,7].In recent …

The utilization of electrical insulators waste and red mud for

When the electrical insulators waste/red mud ratio was 8/2, the glass ceramic s exhibited optimal comprehensive properties in the prepared samples, with a bulk density of 0.66 g/cm 3, porosity of 73.6% and compressive strength of 11.3 MPa.

Simulation of the potential and electric field distribution on …

It is also found that the amplitude of charge for a single porcelain insulator is much higher compared to a single glass insulator. Similarly for a string of 4-unit insulators, the voltage distribution along the creepage distance of porcelain insulators is much higher compared to glass insulators under all contamination levels.

(PDF) Simulation Of Potential And Electric Field …

Potential distribution of standard normal type ceramic insulator Figure 5.4: Potential distribution in ANSYS Electric field distribution of standard normal type ceramic insulators is shown in Figure 5.5 Sulthan …

Porcelain insulation – defining the underlying …

Porcelain insulators have a long history and wide application range in power systems, but just like any other insulator, they can fail. ... different failure mechanisms can be related to materials and …

محصولات مرتبط

 

دفتر مرکزی

No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.

 

مرکز تماس

Phone1: 0086-21-58386256

Phone2: 0086-21-58386258

 

پست الکترونیک

[email protected]