please give me the valuable answer. 4kW, 27 Amps per phase, three phase 415V; DHE 27 AU - 29. e. 2-Wheel 240/480V to 120/240V Single Phase- 3R Dry Type Transformer. dear sir Sir. the rope used for hoisting the pole should be parallel to the broader face of the pole. This new edition has been thoroughly revised and updated by the authors to reflect the latest information on electronics. Understanding AC Circuits is designed with the electronics beginner and student in mind. Δdocument.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. height of steel shed is 6m & 8 M. It’s in reality a great and useful piece of info. This will be 208V, 240V, 480V, 575V, or 600V. Is there any limit to the size of the conductor/ power that can be transmitted over 11 KV overhead line or any guideline regarding this aspect from REC or any statutory body, Dear sir 200mm for vertical confu.and 300mm for horizontal confu for P-P The ties shall be suitable for pin insulator dimensions of Pt.- I and conductor sizes specified. However, jointing or coupling may be permitted provided the strength of the joint or coupling is not less than the strength of each individual wire. Contactors 12v, 24v, 240v and 415v. This new edition has been expanded and updated to include material which reflects current thinking and practice. Thanks for sharing. Emergency Exits, Battens, Testers And Oyster Fittings . Above details are required for 100 KVA DTs and 400 KVA DTs. He has published numbers of Technical Articles in “Electrical Mirror”, “Electrical India”, “Lighting India”,”Smart Energy”, “Industrial Electrix”(Australian Power Publications) Magazines. The depth and size of pit shall be such that normally 1/6th of the length of pole is buried in the ground and suitable for foundation of support. The following tests shall be carried out : Test for weather proofness as per IS:8709-1977 (or its latest version). The location of fixing holes as shown in Figs. I actually like what you have bought here, certainly like what you are stating and the way by which you assert it. Hundred percent 1.2/550 microsecond impulse spark over test. to draw 110 amps no load? If it becomes necessary to add water to increase the workability, the cement content also should be raised in such a way that the original value of water cement ratio is maintained. what should be the degine of 11 KV line earthing instead of conventinal type each pole earthing of coal and salt ? He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. Can 3 phase power from three pole wye transformers running 480 from the street running threw a step down 3 phase transformer to 230 volts into a 3 phase motor cause the motor free spinning 5 hp. Modular UPS for medium-sized and large data centers from 100 kW to 500 kW at 480V. In 11kV system, on 9Mtr PSCC single pole, which side should the transformer be mounted and why !!!! The thimble shall be suitable for all sizes of ACSR conductors as specified. The text provides a realistic, informative, and positive introduction to the practice of chemical engineering. The Integrated Media Edition update provides a stronger link between the text, media supplements, and new student workbook. Found inside – Page 709... generating capacity of 141.5kV step - up transformer giving a reactance 330MW , four 52.5MW sets and two 60MW sets . ... is 240V , for the coal plant lighting to 750kVA , in a mechanical grit arrestor , followed by a 385 deg . Fah . 12 No of 2hp, 240V, single phase induction motor and size of the cable connected to the motor is 7/.036. View All Sort & Filter. 240V can be used for 120V, 240V but not for 277V (Commercial applications) 120-277 can be used for 120V, 240V and 277V. A 1 phase system is not suitable for those motors whose ratings are high. They shall not be made by joining, welding, shrink fitting or any other process using more than one piece material. i want eight meter PSC pole erection (120 - 240V), ** All third party trademarks are the property of their respective owners, Safety Sensors, Switches, Locks & Gate Boxes, TLE Series UPS 160-1000kW 60Hz/ UL listed, LP33 Series II UPS - 15-60kVa, UL Version 208/120VAC, LP 11 Series UPS - UL924 Listed (6 & 10kVA). Rated capacity:500VA~1000KVA. The fuse carrier shall be provided with a cast bronze opening eye (pull ring) suitable for operation with a hook stick from the ground level to pull-out or close-in the fuse carrier by manual operation. Dear sir The rate of de tensioning may be controlled by any suitable means either mechanical (screw type) or hydraulic. It shall also prohibit accidental opening of the fuse carrier due to vibrations or impact. The next generation of medium voltage UPS intended for multi-megawatt power protection. Found inside – Page 12Switchable transformer for 240V AC £ 8.00 p & p £ 3.00 - total £ 34.50 inc . ... For step - up or down TT169 Transistor 200 16.47 2.36 BOV 30V Price P & P VA P & P Tester € 65.20 19.92 1 4.93 1.58 80 5.08 1.49 Megger Batt € 125.80 350 ... Calculate % Regulation from excel sheet given in Excel tools, there is no such tool to calculate the Conductor size for OVERHEAD LINE CONDUCTOR. Fast Company inspires a new breed of innovative and creative thought leaders who are actively inventing the future of business. SIR Using all the above mentioned data , Pole of 9 Meter will give enough clearance which suffice your purpose. I’ve be aware your stuff prior to and you are simply extremely fantastic. For motor loads, do not exceed 60% of the maximum capacity of the transformer, because electric motors have start up requirements much higher than their running requirements. Safety Strobe Lights. (i) I have 11 KV O/H distribution line about 1.7 KM (only) and each individual poles are earthed with Earth spikes ( Earth resistance of each loaction is less than 5 Ohm). For stay the position of pit shall normally be such stay makes as large an angle as possible with the support and it shall be in the range of 40 to 60 degrees. Can u please tell me the safest horizontal and vertical distance from the steel shed. to isolate section of OHL, the jumpers can removed and used as isolation points. Emergency Exits. is there DP structure required or any other solution? From a few kW to applications of many MW and a wide range of supply voltages. To determine the best fit for your application, review the following considerations. Give me prices both FOB and CIF Zambia for 300 pieces. Mid span joints in conductors shall be avoided. Congratulate for the website and your excellent effort. When almost 40% of the full load is removed from the generator in one step, not only there is no voltage overshoot, but, on the contrary, the votage drops from 380V down to 320V momentarily before recovering. Emergency Testers. 100mm2 Al. These shall also be erected on cross arm at intermediate support in case of long lines, deviation from straight lines. Gpanchal. Shop Our Inventory Of Electrical Distribution Equipment Online. (Thanks for your impressive site.). Aluminum ferrous pins, nuts and washers, except those made of stainless steel, shall be galvanized. Emergency Testers. The rated voltage of lightning arresters shall be 9 KV (rms). Found inside – Page 19STEP 291 220KY 9 ISOLATOR 2 ZOKY BREAKER STEP 7 LOADING UP TO START OPENING POSN START C.W PUMR , OPEN PR ... BREAKER VOLT SETTER TO NEUT 25 MVA 11 kV / 220KV POWER TRANSFORMER STEPS EXCITATION ON 630KVA 11KV / 415V UNIT AUX TRANSFORMER ... A transformerless UPS design for the 60Hz world regions, up to 98% efficient. regards We wish to supply range of electrical products to your company’s Various Electrical Projects. Emergency Oyster Fittings. The transfer stage shall be determined based on the daily tests carried out on concrete cubes till the specified strength indicated above is reached. Three phase transformer connection diagram using this method is shown below. He has published numbers of Technical Articles in “Electrical Mirror”, “Electrical India”, “Lighting India”,”Smart Energy”, “Industrial Electrix”(Australian Power Publications) Magazines. FROM POA per week. Designed to flush out central heating systems and remove harmful iron oxide deposits, which can cause radiator cold spots and blockages. These poles shall be used for double pole structures of distribution transformer centers as per REC Construction Standards F-1 to F-4 and for special locations in 11 KV and L.T. 2,500kW Resistive Load Bank. Your shopping cart is full. Please delete some items if you want to add other items in your cart. Fast Company inspires a new breed of innovative and creative thought leaders who are actively inventing the future of business. Ms faith construction company. The distribution fuse cutouts shall be outdoor, open, drop-out expulsion type fuse cutouts suitable for installation in 50 Hz, 11 KV distribution system. Pole line Hardware-11KV,33KV & 1.1KV PLATE CLAMP 3 TONNE SWL PLATE 0 - 35MM. All rights reserved. Short lengths, not less than 50% of the standard lengths, shall be acceptable to the maximum extent of 10% of the quantity ordered. Sir Lift capacity 550 kg Lift height 2.75 m with telescopic boom Engine power 22 hp Drive speed 12 km h LIGHT AND ECONOMICAL WORKHORSE.... $41,500 Ex … Request you to mention the minimum distance that is to be maintained during HV substation installations. er.UTKAL MISHRA. THANK YOU. Step down input up to 15,000V to output 480V; Input up to 346 amps to output up to 3,612 amps ; Unit weight up to 15,000 lbs. Designed with high efficiency mode up to 97% and provides galvanic isolation to the load. 1) DP structure for 11kV line with 250kVA transformer mounted single incomer cum outgoing. ADD TO BASKET . Designs given in Annexure-I are for 140 Kg. What a lovely nd learn able link The length of stay rod shall project 450 mm above the ground level. New Avant 423 Articulated Wheel Loader w Telescopic Boom and Log Grab . The concrete strength at transfer should be at least 210Kg/cm2. When almost 40% of the full load is removed from the generator in one step, not only there is no voltage overshoot, but, on the contrary, the votage drops from 380V down to 320V momentarily before recovering. Forklift pockets or lifting eyes included to transport by trailer; Cat Class Code. Cable 6mm Core 5 450/750v c/w Plug & Socket. Forklift pockets or lifting eyes included to transport by trailer; Cat Class Code. How much wire sag is there between the poles, assuming wires have been installed to standard specifications for 12KV distribution? The wires used for all aluminums conductors shall comply with the following tests as per IS:398(Pt.I)-1976. Graybar Is Your Trusted Distributor For Electrical Distribution Equipment. 2. against first crack load shall be 1.0. The insulators should preferably be manufactured in automatic temperature controlled kilns to obtain uniform baking for better electrical and mechanical properties. If tested in horizontal position, provisions shall be made to compensate for the overhanging weight of the pole, for this purpose the over-hanging portion of the pole may be supported on a movable trolley or similar device. Found inside – Page 12Phone for details Comprehensive range of TRANSFORMERS LT ISOLATION & AUTO ( 110-240V ) . ... own EPROM ERASURE for a fraction of the price of a made - up unit Complete kit of parts less case to include 12,8 wall 2537 Angst . Tube ... The work “cable” with voltage grading and size of cable shall be inscribed on the marker. Please delete some items if you want to add other items in your cart. to draw 110 amps no load? He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. With a history of excellence stretching back more than 130 years, ABB’s success is driven by about 110,000 talented employees in over 100 countries. There are step up or down voltage transformers for converting voltages up or down from 100-120 volt up to 220-240 volt. The rear side of the plate shall also be enameled. They can also be used to isolate one system from another. But farmer’s not ready to permit the cut the branches or tree.. For this what is the remidy. The insulators shall be suitable for the minimum failing loads specified as under: About Jignesh.Parmar (B.E,Mtech,MIE,FIE,CEng)Jignesh Parmar has completed M.Tech (Power System Control), B.E(Electrical). Dry type distribution transformer, enclosed ventilated. Rated capacity:500VA~1000KVA. Copper wound transformers are commonly used for corrosive or high humidity environments like marine applications, and when cost is not a factor. Stephill SE6500EC 6.5kVA Portable Generator Petrol 110v 71kg. The poles shall not be de tensioned or released by cutting the pre stressing wires using flames or bar croppers while the wires are still under tension. Lightning arrestor suitable for HT lines shall be installed one unit per phase at terminations, transformer stations, etc. Cross arm strap conforming to IS: 2486 (Pt-II). (1) Continuous earth wire of proper size which is solidly earthed at substation is to run all along the route of overhead line. Regards dis is mahesh 3 Phase dry type distribution transformer. I have seen that the the horizontal distance between the 3 phases (conductors) of 11kV OH line is not same; 2 phases are relatively closer, as compared to the 3rd one. In the case of a straight run, this will be normal to the run of the line. 2 and 4 and those in English are shown in Figs. Dear sir Thanks. Aluminum alloy die cast thimble-clevis for attaching to the tongue of strain insulator on one end and for accommodating the loop of the helically formed dead-end fitting at the other end in its smooth internal contour.
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