11 kv substation pdf merge

A current transformer is connected in series with line which measure current and step down current at ratio 800. Above pdf contains two slds of substations 220kv into 400v. Electrical power substation engineering and layout. In dg 01a, we used i bus bar 220 kv double bus bar, 66 kv double bus bar, 11 kv bus, ii incoming 2 x incoming 220 kv, 5 x outgoing 66 kv, 1 x outgoing 11kv. A comparison of land area requirements between a conventional single busbar fully switched outdoor 3311 kv distribution substation 2150 m2, a fully switched onestorey indoor substation 627 m2 and for the transformerfeeder arrangement 420 m2 is shown in fig. Pdf design of groundmat for 11kv substation using auto grid pro. Oct 07, 2014 the rec standard mentions that an outdoor type 33 11 kv substation should have 2 power transformers and 3 outgoing feeders. Single line diagrams of 220kv66kv11kv transmissiondg 01. Mu320 merging unit analog and digital, fast and accurate. In todays life electricity plays a very vital role. Preliminary and detailed primary plant design substation site, drainage, elevations, and setting out for. Each unit substation consists of ring main unit with. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching.

The substation rating is defined as per the power handling capacity, location and purpose of substation. Guide for the implementation of earthing systems in user energy. Fullyintegrated merging unit for process bus applications ge grid solutions mu320 is an iec 6185092le sampled value interface with conventional current and voltage transformers, integrating goose control. The hit plus transformers also combine extremely reduced loss values a0ak.

The demand of electricity is being increased day by day. Single line diagram of 3311 kv jampaijala for tender purpose. Depending upon the availability of resources these stations are constructed. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.

A 220 kv new generation smart substation status monitoring information flow chart. Technical specification construction of 3311 kv primary. In congested places where place for constructing distribution substation is difficult to find out, one can go for underground substation scheme. Design,supply,manufacturing,erection, te sting and. Study of 3311 kv substation and power distribution. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements.

Basic elements of substation equipment 1 busbars conductors carrying power to individual branches. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Apdrp scheme, wesco technical specification for distribution transformers 110. Manual one provides the switching operator with information on the distribution. A typical disposition of the substation 2303311 kv is shown on the oneline diagram in figure 1. However, joining or coupling may be permitted provided the strength of the joint or. The double arrow in the graph designates the flow of information in the upper and lower directions, where the number on the left of designates that the downstream information flows of the label, and the number on the right of designates that the upstream information flows of the. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. The number of 33 kv incoming feeder may be one or two depending upon the requirement. Substation equipment used by eskom requires merging. Design,supply,manufacturing,erection, te 2 11 kv substation with sas at i.

The transmission line route between the cos cob and greenwich substations is approximately 2. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. A wide variety of 11kv substation options are available to you, such as coil number, poles number, and type. This job is again accomplished by suitable apparatus called substation. Download as pdf, 400200 kv substation 400200 kv substation design scribd. The aim of this project is to provide the consultancy service to doctor harisingh gour vishwavidyalaya, sagar mp for substation design, feeder up to 11 kv and estimation of cost. Technical specification construction of 3311 kv primary sub. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Aug 1, 2011 a construction of new 33 11 kv primary substation. About 50% of these are power distribution equipment. A leading service provider, we have been engaged in offering htlt substation works. Electrical substation now days the electrical power demand is increasing very rapidly.

Draft manual for maintenance of distribution network, under dhbvn. What is the criteria for selection of 33kv11kv or 66kv11kv. Single line diagram of 3311 kv jampaijala for tender. Electrical switchyard is usually a part of substation where electricity is transferred from one voltage to another for the transmission and distribution purpose. In india generating voltage is 11 kv mostly, but 6. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only.

Economical voltage rating has been categorised for different power range to be received thumb rule. Existing and proposed single line diagram for 3311 kv. Substation equipment an overview sciencedirect topics. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Single line diagrams of 220kv66kv11kv transmissiondg 01 and 01a. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a content revised and additional content added. Design guide for rural substations usda rural development.

The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. Creation of a new substation is generally planned as per transmission planning manual of cea. Single line diagrams of 220kv66kv11kv transmissiondg. Dec 12, 2015 this is frequently asked in interviews. Soft soldering shall not be used for joining or connecting leads. Study of 3311 kv substation and power distribution under.

This service can be availed for substations for upto 33 kv. Substation work htlt substation work upto 11 kv to 33. In phasei, a study of existing network and availability of space for the substation and lines up to 11 kv of the campus is to be carried out. Extendable units provide the capability to build the required configuration by joining.

When a decision to supply power at mv has been made, there are two widelyfollowed methods of proceeding. Aug 1, 2011 a construction of new 3311 kv primary substation. What is the criteria for selection of 33kv11kv or 66kv. The rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. The thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. The transformer steps down the voltage to 400 v, 3phase, 4wire.

There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Existing and proposed single line diagram for 3311 kv aska s. May 15, 2018 generally 11 kv and sometime 33 kv substation are of this type. Electrical stations substations by purpose transformer stations switching stations. Additionally, complete modular distribution substation configurations for all voltages mod subs are also included, since. Pdf the current 66 kv network experiences low voltages under n1 contingencies. Location of the surrounding loads in the layout of both the current and the. Mediumvoltage shielded power cable 2 kv up to 35 kv 570. Final revised business plan 20172018 to 20212022 4 mb. There are two distributive power transformers, 60mva and 100mva, in substations of this type, and they can operate either. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Substation merging unit smu615 product guide abb group.

Providing engineering drawing, data, operational manual, etc for the purchaser. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Similarly near the consumers localities, the voltage may have to be stepped down to utilization level. The single line diagram of an 11 kv substation is shown in the figure below. The working of the electrical equipment used in the substation is explained below in details. These power generating stations may be hydroelectric, thermal or atomic. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Mounted substation sheet 3 of 45 details of equipments. In the event of failure of auto channels, manual control shall be possible.

Key diagram 11kv400v indoor substation iiteeeestudents. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid lines. Smu615 is a dedicated substation merging unit intended for measuring current. Its main function is to receive energy transmitted at high voltage from the generating station, by. Our presented products are extremely used in the market for their longer working life, affordable costs, and durability. T mu am 01002 ma maintenance requirements analysis manual. Type of transformer the transformers shall be double wound, three phase, oil immersed, 110. Technical guide the mvlv transformer substations abb group. Double 2kv busbar with buscoupler, double 88kv busbar with buscoupler, 2 x 2kv line bays. Commissioning process for new substation equipmenthayes. Our professionals are well trained to install these substations as per the specific industry trends and within the stipulated time period. Substation, located on sound shore drive, with the new greenwich substation to be constructed at 290 railroad avenue, greenwich connecticut. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form.

Pen conductor a conductor combining the function of both protective and neutral. Traffic management plan for the construction of the. Commissioning services for equipment rated equal to, or greater than 100 kv, and the protection schemes that directly affect equipment rated equal to, or greater than 100 kv are performed by a corporate engineering department. Design parameters and standard layout of a 3311 kv substation.