GIS Specifications for Engineering Surveys of Highways

GIS Specifications for Engineering Surveys of Highways Department (Version 2.0) Page 4 of 73 1. General 1.1 This document describes the Geographical Information System (GIS) Specifications for Engineering Surveys of Highways Department, Hong Kong Special Administrative RegionGet price

Hong Kong GeoData Store

Hong Kong GeoData Store is a public platform for exploring and downloading open spatial data.Get price

CODE OF PRACTICE 101 FOR DISTRIBUTION SUBSTATION DESIGN

3.3.2 Standard (or typical) substation layout plans submitted by the Hong Kong Housing Authority shall be approved by the Deputy Director - Asset Development of the Asset Management Department, CLP Power. 3.3.3 The submitted drawings shall be in both hardcopy and softcopy format.Get price

Energy systems - MITSUBISHI ELECTRIC HONG KONG

Type: HS-X-1 C-GIS(22kV), HS-X-A C-GIS (11kV) , HS-X-3 C-GIS (22kV/33kV) Mitsubishi Electric has rich experience in developing switchgear panel, vacuum circuit breaker for the LV-MV distribution network since 1979 and cubicle GIC (C-GIS) is newly developed for the replacement of the traditional air-insulated switchgear panel to overcome the large capacity required by the client and improve theGet price

GIS Substation Design and Execution HV and EHV GIS

zA GIS is the implementation, within a complete HV substation, of the remarkable sulphur hexafluoride (gaz sf6) properties in terms of voltage withstand and current interruption zSulfr hexafluoride main data zNeutral gas: insulators and live parts are perfectly protected from contamination and oxidation zDensity 6.15 kg/m3 at atmospheric pressureGet price

Gas-Insulated Substations - GIS

Nov 10, 2010 · A gas-insulated substation (GIS) uses a superior dielectric gas, Sulfr hexafluoride, at moderate pressure for phase-tophase and phase-to-ground insulation. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in Sulfr hexafluoride gas inside grounded metal enclosures. The atmospheric air insulation used in a conventional, air-insulated substation (AIS) requires meters of air insulation to do what sf 6 can do in centimeters.Get price

CODE OF PRACTICE 101 FOR DISTRIBUTION SUBSTATION DESIGN

3.3.2 Standard (or typical) substation layout plans submitted by the Hong Kong Housing Authority shall be approved by the Senior Asset Development Manager of the Asset Management Department, CLP Power. 3.3.3 The submitted drawings shall be in both hardcopy and softcopy format. The softcopy shall be in .dwg format and compatible toGet price

Product brochure Gas-insulated Switchgear ELK-3 GIS for

GIS ELK-3 Azerbaijan 1 substation 7 bays Bahrain 1 substation 12 bays Hong Kong 1 substation 24 bays India 6 substations 46 bays Iraq 3 substations 30 bays Kuwait 7 substations 167 bays Qatar 4 substations 77 bays Saudi Arabia 24 substations 286 bays Singapore 2 substations 32 bays Taiwan 3 substations 32 bays United Arab Emirates 2 substationsGet price

GIS substations - Hitachi ABB Power Grids

Hitachi ABB Power Grids substations with gas-insulated switchgear (GIS) are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. The robust and low maintenance GIS based design minimizes the substation’s footprint by as much as 70 percent, enabling it to be installed indoors, in busy urban areas and in harsh environments.Get price

Transmission Distribution - HK Electric

Feb 12, 2020 · HK Electric Investments is the first fixed single investment trust listed in Hong Kong with a focus on the power industry. Our principal operating subsidiary, The Hongkong Electric Company, Limited (HK Electric), commenced operations in 1890 and is one of the longest-established utility companies in the world.Get price

5 MAPPING HONG KONG'S LANDSCAPE

By programming the rules used into the GIS, it was able to produce a preliminary Landscape Character Map of all the LCAs in Hong Kong. 5.5.4 This 'rule-based' methodology assumes that a LCT for an area i.e. a LCA can be derived either directly from existing digital data or alternatively, by developing rules for the treatment of a number ofGet price

Gis substation - SlideShare

Jul 12, 2014 · sf 6 is used in GIS at pressures from 400 to 600 kPa absolute.Get price

Protection Scheme for the HK ElectricNew 132kV and 22kV

Jan 02, 2011 · substations, i.e. the load centres, the transmission voltage is stepped down to 11kV or 22kV for feeding the distribution networks nearby. Electricity is then distributed from the primary zone sub stations to over 3,600 distribution substations on Hong Kong Island, Ap Lei Chau Island and Lamma Island through the 11kV and 22kV distribution networks.Get price

Global monitoring|for substation - Altanova Group

ALTANOVAs Global Monitoring for Substations provides an overall condition diagnostic system, designed to monitor the main substation assets: current transformer, voltage transformer, power transformers, circuit breakers, surge arresters and GIS switchgear.Get price

High-voltage substations | High-voltage – Power transmission

The numerous Siemens high-voltage substations that are in operation worldwide comprise grid access solutions for wind farms as well as exceptionally compact solutions that bring high voltage right into the centers of consumption and ultra-high voltage substations for the backbones of transmission grids.Get price

Gas Insulated Switchgear| Fuji Electric Global

High-Voltage GIS (Gas Insulated Switchgear) Features Since the first operation of the phase segregated type GIS in 1970, Fuji has successfully developed as a standard series of phase segregated type or three phase encapsulated type GIS which realized a quite compact and very reliable construction.Get price

Gas insulated power transformers: A growing technology - EE

Mar 12, 2018 · Low pressure design (0,11 – 0,14MPa-g at 20°C) Used for medium and low capacity transformers. Just above atmospheric pressure. Provides the ability to detect leaks due to pressure drop. Stops ingress of air and moisture. Provides a simple and maintenance free tank design. High pressure design (0,35 – 0,43 MPa-g at 20°C)Get price

Medium Voltage blue GIS | Systems | Siemens Global

8DJH 12 – blue GIS for sustainable substation BKK Nett AS in Bergen, one of the most innovative Utilities in Norway, had a clear goal for a new MV switchgear for distribution substation: A compact ring main unit that would operate more sustainably, reliably and economically and could work at very low operation temperatures.Get price

Lands Department - e-HongKongGuide

Jan 25, 2021 · The whole set of e-HongKongGuide composes of one satellite map index, one Hong Kong Railways Network and Strategic Routes map (MTR map) and 74 pages of detailed and geo-reference map in 1:10 000 scale. The design and content of e-HongKongGuide is based on the Hong Kong Guide.Get price

Gis substation Manufacturers Suppliers, China gis

Two-Semi-Trailer Mobile Substations (230/ 66/20) Kv with One 66 Kv Gis Incoming and One 20 Kv Gis Incoming Metal Enclosure Without Truck.Get price

AUTODESK HONG KONG BIM AWARDS 2014

4 Autodesk Hong Kong BIM Awards 2014 BIM Progresses From Futuristic to Increasingly Mainstream In 2002, Autodesk released a white paper on the advent of a new generation of building software solutions, designed with currentGet price

Hong Kong 1980 Grid System - EPSG:2326

Feb 16, 2018 · EPSG:2326 Projected coordinate system for China - Hong Kong - onshore and offshore. Replaces Hong Kong 1963 Grid System. Large scale topographic mapping, cadastral and engineering survey.Get price

the following transducer and ISCM parameter counts substation

the following transducer and ISCM parameter counts substation 230 kV GIS from DISEÑO 401582 at National Open and Distance UniversityGet price

GE Power | General Electric

GE Power is a world leader in power generation. Our portfolio includes a vast variety of products and services for your power plant needs. Learn more with GE.Get price

Progress of gas-insulated transformers (Conference) | OSTI.GOV

Dec 31, 1995 · Total gas insulated substations combining GIS units and gas insulated transformers these needs. Demand for gas insulated transformers has been increasing rapidly, particularly in Japan and Hong Kong. First, relatively small-capacity models below 20--30 MVA were put into practical use and today 275 kV, 300 MVa models are in use and 500kV, 1,500 MVA models are coming into use.Get price

Hong Kong in the Region - Hong Kong 2030+: Home

1990s, the economic relationship between Hong Kong and Guangdong was characterised as a “Front Shop, Back Factory” arrangement, with Hong Kong investing in light manufacturing industries in the PRD Region. Hong Kong was the driver of industrialisation of the PRD Region, and, in the process, Hong Kong has matured into a service-orientedGet price

EE781-Topic_6-GIS-CB.pdf - EE781-High Voltage Engineering Dr

View EE781-Topic_6-GIS-CB.pdf from EE 781 at University of Jordan. EE781-High Voltage Engineering Dr. E. A. Feilat Electrical Engineering Department School of Engineering The University ofGet price

Electrical Substation: Equipment, Types, Components Functions

Transmission, Sub transmission and distribution substation 4. Subtransmission Substation. Electric substations with equipment used to convert high-voltage, extra-high-voltage (EHV), or ultra-high-voltage (UHV) transmission lines to the intermediate voltage sub-transmission lines or to switch sub-transmission circuits operating at voltages in the range of 34.5 kV to 161 kV are referred to asGet price