330 kv substation design pdf

Mar 06, 2017 construction of 330 225 kv bolgatanga substation. The substation minimum fault levels are often limited by the downstream distribution network, but where there. Pdf design of earthing system for 230 kv high voltage. This volume is a broad overview of the design factors and data needed to design a substation. High voltage substation design and application guide eep. All rus borrowers rus electric staff effective date. Economical voltage rating has been categorised for different power range to be received thumb rule. Transmission and distribution substation projects operating. Pdf reliability evaluation of ayede 3302kv substation. Gis substation design and execution hv and ehv gis application and design considerations jeanlouis habert alstom grid gis product line. Substations will collect power generated by the turbines and deliver it to the.

Substation design standards for the design of all other substation equipment, such as earth grid, busbars, plant connectors, strung bus, earthwires and structures. As2067 substations and high voltage installations exceeding 1 kv ac. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Interstate e xchang e point 500 kv substations 330 kv substations 220 kv substations 2 kv substations inset griffith buronga broken hill finley deniliquin darlington point armidale dumaresq lismore tamworth 2.

The project work assigned to us was to design a 233 kv ehv sub station. New 3302 kv terminal at three springs new 2 kv line circuit at three springs substation new double circuit 330 kv line construction between pinjar and eneabba terminal site nbttst91. The ergon energy design philosophy is to provide substations. Power system structure the typical power system structure is shown in fig. Earth fault level at terminal substations construction issues such as. Appendix c table of contents substation drawings singer substation drawing no.

Old local power line is to be decommissioned and replaced with a whole new 330kv overhead power line. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Subsequent volumes will explore equipment, foundations, structures, grounding, relaying and other items necessary to design an electrical substation. Our project is to design a 2kv33kv ehv substation where the incoming power is received at 2 kv from a generating station.

Covers the design of the ground grid for safety and proper operation. Study on noise prediction model and control schemes for. Distribution voltages are typically medium voltage, between 2. Covers the design of bus support structures and connectors. The document is divided into 12 chapters starting from electrical arrangement to lightning and earthing protection. Operating system voltages pt sst lts 500 kv transmission lines 330 kv transmission lines 220 kv transmission lines. Technical specification construction of 3311 kv primary sub. Construction was first started by ukrenergo in 1991 of the 750 kv znpp kakhovska overhead transmission line tl with 750 kv kakhovska substation and 330 kv overhead line diversions the project. Eia study for the proposed zambezi wanelasesheke 330 kv transmission line v increase the visibility of the line under conditions of poor light. Since system failure affects availability, quality and quantity. The correct application of a mini substation requires an appropriate design of a reticulation system. Figure 312 typical 2 kv and 330 kv overhead powerline mounting structures. Concrete shed and metal structure at area of planned kakhovska substation, structures from start of construction at the beginning of the 1990s iii11 figure 37. The purpose of this document is to provide a general guide to the design of an air insulated switchgear ais and a gas insulated switchgear gis of an ac substation.

Substations should be designed, constructed, and operated to meet customers needs at the lowest. Reconstruction of a 330 kv overhead line, lithuania power. Transmission design definition report economic regulation. As part of the route selection process 4 alternatives were developed to connect usatove and adjalyk substations with a second 330 kv transmission line. South african national standard miniature substations for rated a. What is the criteria for selection of 33kv11kv or 66kv11kv. These distance take into account typical maintenance work methods s and ensure that the routine and most corrective maintenance tasks can be performed in safe and efficient a manner.

A safety is one major concern in the operation and design of an electrical power system. Transformers and reactive plant installed in substations shouldbe compatible with the specified substation bus prospective fault level and duration to which they will be connected refer to the fault levels as listed in. Fundamentals of modern electrical substations part 1. Electrical designs are about 80% completed and orders for the main equipment such as circuit breakers, disconnects, surge arresters, current transformers, and post insulators have been placed and deliveries are expected to commence before endfebruary 2017.

Concrete shed and metal structure at area of planned kakhovska substation, structures from start of construction at the beginning of the 1990s iii11. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Distribution substations michigan technological university. This paper is to provide information pertinent to safe earthing practice in substation. The nosa requests project development to undertake a desktop assessment of the works associated with the installation of five new 330kv transmission lines and associated substation works. Design guide for rural substations usda rural development. Pdf power flow analysis of 230110 kv substation using etap. Design lightning outage rates outages100 kilometreyear. The substation design manual is not intended to replace asset management standards, but rather. Proposed construction of a 330 kv power line from the zambezi.

Based on electrical design assessments for the wind farm it is proposed the new. Interconnection line under construction allows the wapp 330 kv northcore project to be integrated into the interconnected transmission network of burkina. Design calculation of voltage transformer 66kv line in 23066. Design,supply,manufacturing,erection, te sting and. Canada 330 kv 140 m below the ground surface france paris center 245 kv underground gis. The task of this project was to provide transmission tower to an overhead power line of strategic importance in lithuania. Note that the 330 kv line between eneabba terminal site and three springs terminal will be constructed by karara. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Mediumvoltage shielded power cable 2 kv up to 35 kv. Design calculation of voltage transformer 66kv line in 2306611kv substation international journal of scientific engineering and technology research volume. Pdf earth mat design for 233kv substation in rivers. Etap widely used as analysis software for the design, operation, control, simulation, optimization, monitoring, and automation of power systems 10 14. Jul 04, 2016 the substation rating is defined as per the power handling capacity, location and purpose of substation.

Hassayampa tap to sun valley to hassayampa plant project hassayampa tap 230 kv switchyard rebuild. The project work assigned to us was to 233 kv ehv substation electrical design. Gis substation design and execution hv and ehv gis. Nonsecurity item tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work. E substation standards switch operating platforms steel design and details 48.

This document outlines the primary design standard for transgrid substations. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2 25251402 singer substation section 3 gis enclosure 25251500 singer substation grading plan 25251501 singer substation foundation plan 25251502 singer substation. Pdf reliability is an analytical tool used to measure the ability of a power system to. Proposed construction of a 330 kv power line from the. Bus arrangements reliability cost of configuration available space basic configurations single bus. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Ieee 2008 guide for bus design in air insulated substations. Sun valley substation 500230 kv morgan to sun valley 500 kv transmission line 2. Associated information and drawings specified in the design advice is required tobe based on specification sde001 substation electrical design. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. The design of earthing system for 230 kv substation is challenging task. Design and material assure extreme low leakage rate functionality and environmental protection design and material assure extreme low leakage rate iec 62271203 highvoltage switchgear and controlgear part 203.

Customer substation manual 6272019 table of contents page 3 of 82 section description 180. Design calculation of voltage transformer 66kv line in 2306611kv substation khin myo mu dept of electronic engineering, mandalay technological university, mandalay, myanmar, email. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist. Ayede 3302kv substation feeds six different 233kv substations, such as jericho. To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and their main components.

Eia study for the proposed zambezi wanelasesheke 330 kv transmission line iii executive summary nampower intends to construct a new 330 kv transmission line from the zambezi substation near katima mulilo to the wanelasesheke border post on the namibia zambia border. The yard will be constructed as a 330 kv breaker and a half layout initially three springs terminal will be configured as a three switch mesh comprising of two line circuits nbt91 and kra91 and one transformer. Wherever conventional substation design exceeds the limits of available space, or the extension of a fully developed substation is required, spacesaving and powerful alternatives are needed. Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below. Jul 22, 2018 the transformer terminals may get a surge voltage of 930 kv peak. Transgrid publishes this information under clause 5. Substation side of line disconnectors for line entry bays for 330kv and above.

Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3. The main purpose of the substation is to provide reliable and continuous electric power supply related to the. Ensure that mitigation for bird collisions corresponds with. Integral manual earthing switches will be included as required. The insulation design of ehv and uhv stations is based on the following principles. Customer substation manual 6272019 table of contents page 2 of 82 section description 0 preface 010. Pdf substation design manual shally gupta academia.

The fentress, hickory and shawboro substations were modified to improve reliability of dominions 230kv system. Design calculation of voltage transformer 66kv line in 230. The input for a distribution substation is typically at least two transmission or subtransmission lines. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Design, procurement and construction of century power. Transmission system projects central arizona project. We considered incoming power at 2 kv and the power was transferred to main bus through isolator. Substation ratings specification powerlink queensland. This has been verified by computer calculations for a 150. The proposed beryl 330kv substation beryl 330 is located on existing property which was strategically acquired by transgrid approximately 3km northwest of beryl 2kv substation beryl 2 and will cutin to the existing 79 wollar to wellington 330kv transmission line approximately 56km form wellington and 61km from wollar. Transmission system projects robert moody director, field maintenance.

Entergy will design, install, maintain, own and operate the 230 kv ring bus. Figure 311 detailed view of the proposed 330 kv connections. Apart from the complete encapsulated design gis, customers also rely on mixedtechnology outdoor solutions and on spacesaving ais compact solutions. Very fast transient over voltage vfto is a unique electromagnetic transient phenomenon occurring in gas insulated substation gis, which determines the insulation level of the gis above 330 kv. A substation standards switch operating platforms steel design and details 49. The marking design should take the earth wires into account. Wapp expression of interest for 330 kv median interconnection project. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. The first alternative looked at the possibility to build the new second 330 kv line within the same corridor of the existing 330 kv and 110kv lines.