When any fault happens within the system, a relay transmit the tripped command to the circuit breaker. They limit the duration and the amplitude of the flow of the current. The session was chaired by Tn Hj Ismail Din (Senior General Manager, Engineering Department, TNB Distribution). Also referred to as buses, these can be seen as the entire power system. However, developer/customer has the option of choosing conventional substation or compact substation 500 kVA. You will find various types of power generating substations such as: Based on the accessibility of various sources, substations are building at various locations. The website requires JavaScript to support the web content. You will also find other types that are different according to their duties. Related titles. The compact substation design is a complicated method with a lot of engineering planning. The storage batteries are composed of two types: The common type and most utilized batteries are the lead-acid batteries. It is designed in accordance with IEC-61330 standards. It safeguards the equipment insulation from lightning surges and switching surges. They are used for the correction of power factor and protection circuitry of the substation. The utility is also taking into consideration the network security and restoration time to customers. Prefabricated Compact Substation. Are you now considering a substation designing? Ultimately, they are mechanically operated switches too. Take note that compact substation is divided into three compartments. Medium voltage Compact stations have been developed for all insulated medium voltage switches manufactured in Europe. Compact portable ready to install; Degree of Production A wide variety of compact substation options are available to you, such as usage, phase, and coil structure. Those raises the capacity of ripple current of supply and prevent unwanted selves within the substation system. All equipment proposed to be installed and connected to TNB supply must comply with the following short circuit ratings: System Short circuit rating i. A bus bar is among the most vital elements of the substation. Thus, it prevents any damage to the circuity. These serve as a source of reactive power. It identifies its location and sends interruption message f tripped command to the particular point of the circuit. There’s a need for collector substation in cases of big power generating system. They are used for protection of the relay system and for lowering metering of voltage measurements. Configuration. For keeping low and high voltage levels, several transformations and switching stations should be made among them: Those two stations are called electrical substations. This endeavour falls in line with TNB’s challenge to stay relevant and up to date with the modern consumer needs by shifting towards online monitoring, remote supervision and switch control. Every component functions are discussed in detail along with machinery. 40kA, 3s (50kA, 1s for substation adjacent to Power Station, or within 500kV substation) 132kV: 31.5kA, 3s (40kA, 3s for substation adjacent to Power Station, or ... Voltages other than the above classifications cannot be provided by TNB. FEATURE & ADVANTAGES Precast concrete CSUs are weather-resistance and suitable for harsh environment, with robust design to offer different layouts as per equipment and application requirements. Power Distribution Solutions Provider, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province, China, Outdoor Medium Voltage Vacuum Circuit Breaker, Cast Resin Dry Type Distribution Transformer. Get contact details and address | … Ms Tan Siew Hwa (TNB Senior Engineer, Engineering Department) gave two powerpoint presentations on “Planning Design Policy using 500 kVA Compact Substation” and “New Layout Design of 11/0.4 kV in TNB Distribution”. 1000 kVA. Appropriate distribution network design to ensure security and restoration time to customers will not be affected. cooperative partner in China for your logistic business. However, such locations might not be nearer to load centers. The current policy of all compact substation installation requires pre-approval from Chief Engineer’s office in TNB Headquarters before the planning of network design can proceed. The session was chaired by Tn Hj Ismail Din (Senior General Manager, Engineering Department, TNB Distribution). VCB is used in important substation and in a row substation. The compact substation is designed, keeping in mind the personnel safety, considering H.T. PMU serves as main supply sourceto: i. FirstlevelofDistributionprimarynetwork(33kV,11kV) ii. Applying open switches is also possible. The prefabricated compact substation is one kind of compact complete set of distribution equipment which designed combining medium voltage switchgear, low voltage switchgear, distribution transformer, energy metering devices and reactive power compensation devices into one or several boxes according to a certain wiring scheme. Plug-in devices with fusible switches or circuit breakers might be wired and installed without de-energizing the bus bars. Design of an ultra compact distribution substation P. Deschamps1 1M. This is situated on the incoming lines for stopping high-frequency waves. Good turnout – Some 100 participants attended the technical briefing. Precast concrete compact substations unit is designed to house distribution networks for utilities and for the residential, industrial and infrastructure sectors. Private Limited - Offering Three Phase Compact Unitized Substation at Rs 1500000/piece in Pune, Maharashtra. The substation is a compact enclosure consisting of MV switchgear, a transformer and an LV switchboard located in three separate compartments which are segregated from each other by means of partitions in order to ensure personnel safety. TNB compact substation. 500 kVA. 12 kV. Compact Substation The CSS are designed, manufactured, fully assembled, wired and operationally tested in our workshops, therefore site works are minimal. It is pre-fabricated secondary sub station containing, distribution transformer, medium voltage switch gear, low voltage switch board, connections and associated equipments in a compact unit. They are also presented close to the transformer terminals phase to ground. Therefore, its trapping is of utmost importance. Busbars are utilized to bring big current and to distribute current to various circuits in equipment or switchgear. Conductors are the materials that enable the flow of electrons through it. Nonetheless, it’s costly to supply power at a high-voltage level. EWT Pre-Fabricated Substation unit is one of the most economic, convenient, effective equipments and friendly solutions – easy and safe to operate substations. These are intended for diversion of current to earth when any current surge shows. The CSS are compact and consist of power factor correction equipment, ring main unit / load break switch, circuit breakers, switchboards and dry / oil type transformers encased in robust enclosures with easy access to equipment. 0% 0% found this document not useful, Mark this document as not useful. These are provided for isolation from the live parts for the purpose of maintenance. This is a device used for the conversion of high-value currents into lower values. It aimed to brief on TNB’s new policy in the use of compact substations of 500kVA supplying electricity to new housing schemes for domestic consumers and the new layout design of 11/ 0.4kV substation. VCB is also called vacuum insulated switchgear. Standard layout c/w M & E design of SSU 11kV and 11/0. 4kV sub-station is available at TNB offices, and publicly available in TNB website: Substation Design Booklet. Long and high transmission networks are necessary for this function. Separable plug-in type connector at transformer HV side and RMU connections for fast installation. The isolator in the substation is a mechanical switch that is deployed for isolation of circuits when there’s an interruption of current. We hope we presented you enough information about the different components of a compact substation and their corresponding functions. Siemens Compact Substation Manufactured By Raban Al- SafinaGroup Of Companies\IRAQ They offer high voltages and are much affordable in cost. Share. Compact substation (11 /. Print. It safeguards the conductor and insulation from any damages. KUANTAN (Jan 8): A total of 302 substations in Pahang have been shut down due to floods which hit the state since Sunday, said Tenaga Nasional Berhad (TNB) chairman Datuk Seri Mahdzir Khalid. These are intended for diversion of current to earth when any current surge shows. Watch Queue Queue. Conventional substation designs are of indoor type (equipment housed in a permanent building) and out-door type (ground-mounted or pole-mounted). Conventional Substation Conventional substation designs are of indoor type (equipment housed in a permanent building) and out-door type (ground-mounted or pole-mounted). This is for transfer of power to a single transmission unit from different co-located turbines. Her presentation covered the new features in the substation layout, new LV bulk customer metering room, connection scheme, roof slab requirement, fire fighting system requirement and fencing requirement. 433kV sub-station is available at TNB offices. This component of the compact substation is used for transfiguring high voltages to low voltages. Internship Report TNB … This video is unavailable. Provision for maximum safety in public area. All LV distribution boards in new substations are to be replaced with feeder pillars as refered in the Electricity Supply Act Reguiation 19(3). 0% 0% found this document useful, Mark this document as useful. The Compact/Package Substations are equipped with SF6 Ring Main Unit Switchgear, Distribution Transformer and LV Switchboard. These days, the need for electrical power is growing quickly. Normally VCB is used in Main Intake Substation (PMU). Such installation does not require pre-approval before proceeding with planning of network design. These have low current ratings and are utilized for: This is fixed in the compact substation for: This kind of system is placed properly in a carrier room by linking to the high-voltage power circuit. IIESB, was established in 1988 as a fully Malaysian incorporated company.ITEMS founded by Dato' Hj Ayob Aziz which is a dynamic entrepreneur and have 35 years of experience. Founder of Orecco. ITEM being vendor to Tenaga Nasional Berhad (TNB) for 11KV VCB and 33KV GIS. You see, these are situated at either side of the circuit breaker. The Electrical and Electronics Association of Malaysia, TEEAM Office Bearers for the year 2019 to 2021, TEEAM’s Stand on the Issue of EE Sector Negotiations, Malaysian Economic Statistics Review Volume 8/2020, Malaysia Trade Statistics Review Volume II/2020. Thus, it triggered TNB to look into reviewing its current policy on compact substation installations. The transformers, circuit breakers, switches, and switchyards are for the disconnection and connection of: Those also have lighting arrestors to safeguard the substation from strokes of natural lighting. You will find different kinds of insulators. These component discharge the overvoltage surges to earth. The wave is tripping high-frequency waves and is diverting the waves into telecom panel. A circuit breaker falls apart its contact once it gets the command from the relays. Gayatri Electrotech Co. This web browser either does not support JavaScript, or scripts are being blocked. Watch Queue Queue Conventional substation designs are of indoor type (equipment housed in a permanent building) and out-door type (ground-mounted or pole-mounted). That could be fulfilled by the power generating substations. Bear in mind that the compact substation designs are dependent on the need. A substation surge is situated at the beginning of the substation as observed from incoming transmission lines. FEATURE & ADVANTAGES Precast concrete CSUs are weather-resistant and suitable for harsh environment, with robust design to offer different layouts as per equipment and application requirements. This compact substation component could be determined as the first component of a substation. It aimed to brief on TNB’s new policy in the use of compact substations of 500kVA supplying electricity to new housing schemes for domestic consumers and the new layout design of  11/ 0.4kV substation. Some 100 participants attended the technical briefing. Read about company. In TNB, types of VCB used are TAMCO, EPE and AICHI. However, you may opt to make your own transformation arrangements where necessary. The size of compact substation is much smaller than TNB substation Single Chamber. Below are some of the major components of substations as well as their working. These protect the equipment form high voltages. The new planning design policy arises because there has been a lot of requests on compact substation installations in new supply development, replacing the conventional substations due to land scarcity and simplicity in construction. RATING. Short Time Withstand Current. Embed. Alibaba.com offers 1,220 compact substation products. TNB in a statement announced that 67 substations in Jengka, Maran, Jerantut and Raub in Pahang as well as 24 substations in Johor Bahru, Kulai, Johor Jaya, Kota Tinggi and Kluang in Johor have been shut down to ensure the safety of customers. 275kV 40 kA, 3s for bulk station (50kA , 1s for Power Substation and 275kV within 500kV substation) iii. This material does allow the flow of electrons within it. Therefore, it is vital to transmitting power from the substation to load center locations. They aren’t stimulated with arc-quenching devices as well. Some of the vital parts of a compact substation like: The size of the battery bank depends on the voltage needed for the operation of the DC circuit. Main Intake Substation – PMU a. Such high-frequency waves that come from close substations and other localities are obstructing the voltages and current. Distribution Bulk Power Substation that provide interfacing between Transmission network and Distribution network where the Transmission voltage is step down to Distribution voltage. The conductors are used for transmission of energy from place to place over compact substation. Hey, I am Tony Wang. Bidaut 2P. Isolators don’t have any rating for current making or current breaking. These are composed of uncovered copper conductors supported on insulators. On 10th February 2010, Tenaga Nasional Berhad (TNB) organised a half day technical briefing session on new compact substation planning policy and new 11/0.4kV substation  layout at Wisma TNB, Petaling Jaya. TNB DISTRIBUTION SUBSTATION CATEGORY 1. A wave trapper is considered one of the components of a compact substation. TNB Compact substation is the alternate for TNB substation Single Chamber. 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