form 3s meter wiring diagram

0000003753 00000 n The reason being that many homes that used this type of service converted to 240v either because they upgraded or because they were forced to by their utility. For example, you would not want to place 200:5 CTs in service that you know will be pulling 1000 amps on the primary side. amzn_assoc_ad_mode = "auto";
currently has 3 1000:5 CTs and 2 480:120 PTs. Here is a wiring diagram for the form 9s meter. This is a transformer-rated meter and will not interrupt the customers service when pulled. Web msd wiring diagram step 7al three module selector instructions basic figure. Power companies have a couple of different ways of putting the muliplier into their billing systems. The form 2s meter wiring diagram. You may also go to http://www.learnmetering.com/meter-forms to learn more as well. What would be the best way to meter this using CTs? When CTs and PTs are used in a metering installation, the installation is known as being transformer-rated. You can use a form 3s meter. (adsbygoogle = window.adsbygoogle || []).push({});
The rating factor is used when determining what size CT to use in a particular installation. Web 12s phase form meter diagram wiring 120 single fm 480v socket ge 200 amp 208v 120v 200a 3ph terminal ct. Wiring Diagrams Circuit Meter Form Metering Types 3P 3W Bay Services. No problem Rich. Form 6S, 8S, 9S,. Now, to find the correct current transformer size for a three phase service we use this current transformer sizing calculation. A 240 volt meter is used for 277/480V service. (adsbygoogle = window.adsbygoogle || []).push({});

I will now look closer at PTs next time I am working in a metering cabinet Cheers, 2kw-hr power read from (present minus prev.) This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. You do not want to overdrive the meter by placing more than 20 amps in the meter base because you sized the CTs incorrectly. The smaller black line connects to the voltage terminal in the form 9s meter socket and the. They can also be used for three wire single phase services as well as single phase primary metering. It is normally available as a 120/208v service, or a 277/480v service. I read your email also, very informative with fitting example. hJBQ9L^7|1 \} % Hey there! The CENTRON Polyphase CP3S solid-state meter with current transformer technology measures extendedpolyphase energy consumption. Hey, I will need some more information from you. In addition, wiring diagrams and all burden details for such devices must be available on-site. (adsbygoogle = window.adsbygoogle || []).push({});

Meter Form Drawings, provided by Durham Company. By utilizing our experience and technology with that of our strategic allies and development partners, we provide metering solutions that cover the range of utilities' commercial and industrial metering needs. 2k x 160 =320 320 x $9 = 2,800 bill is this correct? They differ a little in their specifications but products from any one of those companies should meet your needs. Web Form 3S * Use The Ct Ratio In Determining The Meter Multiplier. Web this diagram shows how to wire it for v. The smaller black line connects to the voltage terminal in the form 9s meter socket and the. Formerly you would have used an 8s meter because of the high-leg. Hi, I have a customer who employs a old CT revenue meter and wants to have it upgraded, I know our local supply company supplies the revenue meter but the consumers wants to order a new enclosure with three CTs etc, can you please recommend any NZ or Aussie suppliers. FLEXIBLE PLATFORM You will want to verify that the multiplier is correct on your billing system and that the bill is being calculated correctly. The two meters, to the naked eye, look identical. form 3s meter wiring diagram. Form 12s meter wiring diagram. Form 3s. The reason is that CTs are most accurate at their nameplate values. 14 Images about Wiring Diagrams - Bay City Metering NYC : Wiring Diagrams - Bay City Metering NYC, House Wiring and also 3 Phase Meter Base Wiring Diagram - Wiring Diagram Schemas. Thanks, I hope I have helped. Already a member? Click here for a form 2s meter wiring diagram. Normally the utility supplies the CTs as well. This form is also used for many small businesses as well. This meter is also used in a 4 wire delta service, also known as a high-leg service. This diagram shows how to wire it for V. Click here to view and print the full size diagram. Example: Primary Metering for 3-phase, Delta connection Will use 3 each Potential Transformers rated at 14,400 V. & 3 each Current Transformers rated at 400:5 amps. PTs are typically used in any installation where the voltage on the service is 480v or higher. Click Here! My advise would be to contact your utilities commission. The application is measuring power on a wye-grounded side of transformer. (adsbygoogle = window.adsbygoogle || []).push({});
. Your site has good common sense information, without going off the rail. There are also basically two types of services that metering installation will have. Thanks. 0000001733 00000 n Unfortunately this could absolutely be correct. 277 volt meters have 277V nameplates and are calibrated at 277V. If so, you can correct it. This is important because we want to size our CTs so that they are fully saturated. Form 3s. Also, I would like to add that with the invention of the solid state meter came a feature known as auto-ranging. Form 4s 3 wire using ct's 2 or 3 element meter wiring diagrams. %PDF-1.5 % Cut myself shaving down there won't stop bleeding. Many people want to know what is a current transformer and potential transformer. wiring diagrams circuit meter form metering types 3w 3p bay services. Web form 3s meter wiring diagram enginepartdavid.z21.web.core.windows.net. Here is the wiring diagram for the form 16s meter. This meter is most commonly used in a 240v, single phase three wire service. 204 0 obj <>/Filter/FlateDecode/ID[<27E71E4DD3AF519194AA624668837BFC><4BC72A2DEF7F7A43B36BEB11F5CFB485>]/Index[136 119]/Info 135 0 R/Length 252/Prev 444208/Root 137 0 R/Size 255/Type/XRef/W[1 3 1]>>stream I sent you an email. form 3S, 4S, 9S, 36S, 45S, 56S, 10A, etc.) As an example, if you had a 120/208 4 wire wye transformer feeding a building and you had a customer that only wanted single phase, you could pull two legs and the neutral off the the transformer to get the single phase. amzn_assoc_enable_interest_ads = "true";
Form 1s. Your email address will not be published. Here is a wiring diagram for the form 9s meter. The other type of CT is known as a bar type CT. Bar type CTS have a buss bar that passes through the middle. IT Rated Single Phase (secondary CTs/PTs) Over 400A Form 4S Interval . 3 phase 3 wire delta. I know of a utility that had a billing system that would only accept multipliers as a 1, 10, 100, etc. Could you provide me with more information? Wiring diagrams circuit meter form metering types 3w 3p bay services. They can be used on 3 wire delta three phase services as well as single phase services that are pulled off of a three phase transformer. Web form 9s meter wiring diagram diagramweb.net. There is no difference for the customer as they still see 120v. Dear sir Pls send me mail also the answer of calculate the standerd size of CT. Whats the math on CT metering on the spades in a 3 phase pad 120/208 with 200:5 CTs if running conductors back thru the CTs to meter another service? Login. Metergod Monday - Form 6S or 36S installed on a Form . hZzRBo{wfy5#Y|*{T*p&[s.V[f'~I_guF.=?n+_?x,sG2aGe!`;'2aq_qoOdK0q]&y)*{MIRC_ * Great information, thank you. They are both used on the same service type. So, check the rating factor of the CT and the current rating of the meter. Close, it would actually be $2880. Halving the multiplier provides the average of the two leg currents. For example if a service has 200:5 CTs and 2.4:1 PTs, the multiplier will be 96. We fought and argued that they were wrong. Below is the form 4s meter wiring diagram. I want to duplicate the pq meter with a ISO compatible meter due to requirements of the utility for generator metering. H1 X1 . All diagrams are presented in JPEG (.jpg) format. However, an untrained eye may not catch this difference and install a form 2s meter by accident. 2 1 . being this is a 5S we are only measuring phase A & C. Any idea why multiplier on old meter is 100? Bill wiring metering diagram ct diagrams meter nyc circuit form 3w 1p bay, wiring ge diagrams diagram meter form metering 3p 4w circuit transformers type, meter phase wiring diagram socket jaw wire electric base amp 200 service electrical waterheatertimer delta pole neutral mobile needs box, wiring diagrams circuit meter form metering types 3w 3p bay services, msd wiring diagram step 7al three module selector instructions basic figure, Wiring diagrams. "Why not the best?" My electricity is 3phase smart meter, 8000 khw,3 * 230 / 400 v, 3*5 amp,my consumption per month is always less when I read the meter, how can I work it out to be accurate? 0000003110 00000 n Reliability The kV2c+ Revenue Guard option board powers the meter even when the A phase voltage is lost; any availablewill be used. Form 4S Meter. Elster / ABB Technical Information. If you install 200:5 CTs on a 400 amp service then as long as the rating factor of your CTs is at least 2 you should be able to meter the service properly. They should be able to guide you on what your options are. Sounds like a 3 phase 3 wire delta service that would typically use two CTs and possibly two PTs depending on what voltage you want in your meter base. Just like if you were to have a two wire secondary service. Good day! The meter is often installed on straight three-phase services when no neutral wire is used. The CT is connected so that it will add the negative of one leg to the positive of the other. Required fields are marked *. hb```"i8SAd`e`s. amzn_assoc_ad_mode = "auto";
Web form 9s meter wiring diagram diagramweb.net. This is all done by a human and sometimes we get things wrong. Some typical PTs are 2.4:1 and 4:1. Unbalanced loads cause slightly unbalanced line to neutral voltages, resulting in slight metering errors. The best way to do this is to consult with the engineer. Meter Form wiring diagrams. When 200 amps are flowing through the primary side of the CT, 5 amps are coming out of the secondary terminals. Any primary metering, if required, will be coordinated . Terminal. Typical ratios are 200:5, 400:5, 600:5, 800:5 and so on. 0 There are a few scenarios I can think of for this one.
0000040663 00000 n 0000009835 00000 n There are a variety of form numbers that are used. It depends on the voltage of the transformer. In this situation there is a billing problem. If a service has both CTs and PTs then the two values are multiplied together to give the billing multiplier. This can help you troubleshoot problems that come from the billing or meter reading department without even leaving the office. One thing that I want to note also is that CT rated meters are not only used as a secondary electric meter, they are also used as a primary electric meter as well. The form 16s is normally used on services up to 200 amps and the form 9s is used on services greater than 200 amps where CTs are required. Now that we know what CTs and PTs are, we can talk about meter multipliers. There are just no wires connected to one of the load side terminals of the meter base. endstream endobj startxref 84 0 obj <>stream Revenue grade CTs are engineered to produce 5 amps when the amps on the service are at the rated value. amzn_assoc_marketplace = "amazon";
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. CT rated meters are also typically demand meters as well. Can you recommend quality + value make/model CTs and VTs for implementing a Schweitzer 735 meter to a 550V 3-ph ungrounded wye circuit carrying 1000A. Second, the wrong multiplier was put on the meter in the field but the correct multiplier was entered into the billing system. ROUGHRIDER ELECTRIC COOPERATIVE . technology and affordability. The Great Lakes Electric Meter School (GLEMS) began in 1989 with a committee composed of members of electric utilities, electric utility manufacturers, and experts in the utility field. amzn_assoc_enable_interest_ads = "true";
Another thing that many people want to know is what is the current transformer sizing calculation. Also further your career as a meter tech or lineman by learning more about how meters work. The form 2s is by far the most common meter form out there. '#wB7`*> hb`````b`c`p2cb@ !fvUd) \bl p) ) H;3X~ykD'l>(4%BM&2cRtIg46kL Ive been reading your weblog for some time now and finally got the courage to go ahead and give you a shout out from Dallas Texas! There are three (3) PTs (wye-connected primary). The power company does not want you to know this secret about generating your own power! They are used to step down the voltage to a safe level so that it can be metered. 0000000016 00000 n Electric power & transmission & distribution Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. A form 3s meter uses one CT. You no longer have to carry an 8s meter and a 9s meter or a 15s meter and a 16s meter. To ensure proper . Ill certainly comeback. Please assist me on trouble shooting this. Meter form to be used (i.e. After completing all electrical wiring, mounting and installation steps, refer to "Step 10: Use phasor diagrams to verify wiring" for details on meter operation for different systems and volts modes, as well as verification of correct phase wiring. We have received your request and will respond promptly. It all depends on the service. Wiring diagrams meter form circuit 1p 2w metering. I sent you an email. This is best described with an example. Have the been tested and shown that they are no longer accurate? Hi just want to know i installed 3 600amp meters on a 3 ph disel genarator the amp meter tels me when i use a 220v grinder its pulling 150amps must i install cts if so what size will work. Again, what this means is that when the stated value of amps is flowing through the primary side of the CT, 5 amps is flowing through the secondary side. Form 3s meters are typically used for single phase two wire services where the service is so large that it requires CTs. Also, many utilities decided to convert many of the 120v services to 240v just so they could install a 2s meter. This meter can also be used for 3-wire network system. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Eversource Metering Wiring Diagrams MA SMART Program Specific November 2018. . endstream endobj 96 0 obj <>stream Thank you , for this great review . (adsbygoogle = window.adsbygoogle || []).push({});
Form 4s. 0000064912 00000 n Conference and Professional Services Association Management Resources, Website hosted and maintained by: Look for estimated or levelized billing, it might be under low-income customer billing options. This can actually be desirable depending on the rating factor of the CT. We have a standard 3ph and N supply.since the power Co installed a new smart meter our bills have almost doubled. amzn_assoc_fallback_mode = {"type":"search","value":"current transformer"};
Transformer size is 150 KVA/415V. 0000001585 00000 n 0000001075 00000 n So, you can overdrive and damage the meter. 5-Jaw Meter Socket 2-WIRE METER FORM 3S Pierce Pepin Cooperative Services Form 3S Wiring Diagram Revised: February 16, 2016 X1 X2 H1 H2 LINE NEC: Article 90(B)-5 Utility metering is not covered by the Code NOTE: CT X2 must be grounded either in the meter socket or the CT enclosure but NOT at both ends.
The FOCUS AX Polyphase meter contains a 120V to 277V auto-ranging power supply suitable for both 277/480V, 4W, WYE and 240/480V 4-wire Delta Services. The most common is self-contained. Local Law 87 Energy Auditing & Retro-Commissioning, Local Law 88 Lighting Upgrades & Submetering, Annual HEFPA Notification for Residential Customers, 247 West 37th Street, Suite 1602, New York, NY 10018. What is the difference between voltage and current? If you go the other way and install 400:5 CTs on a 200 amp service then you will most likely lose some revenue. _g7bDwCh o7d=HhF8Y}K]se~^Cj=vxd If 240/416 service (uncommon), meter rated 240 volt, 240 and 277 volt wye meters are applicable to either 240/416 or 277/480 volt wye service, 240 volt meters have 240V nameplates and are calibrated at 240V. My running load is around 110 HP and my bill comes very high compared to other plants who have the similar machines. (adsbygoogle = window.adsbygoogle || []).push({});

trailer Window type CT is a term used to describe the CT. For instance, if I had an order that said that the display was out on the meter and the multiplier was 160, I would go ahead and take a 4:1 PT out in the field with me because more than likely it has gone bad. For example, a 400:5 CT with a rating factor of 4 means that the CT is capable of accurately measuring loads up to 1600 amps (400 x rating factor of 4 = 1600). A wiring diagram is a simple visual representation of the physical connections and . HW]58kq-j>&$$;Y]n`oPk(co/O??|>m?>>>}|yon`~}]-. Here I will try to demystify the CT PT confusion. What is Electric Current and how it relates to Metering. what happens if CTs of 200 ams installed to a 400amp meter and vice versa. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. FORM 3S. Meter rated 120, 240 or 480 volt. Furthermore, you no longer need to to carry a 120v 12s and a 240 12s meter. form 3s meter wiring diagram. I hope that I am understanding your question correctly. You have touched some fastidious things here. If you do not know that the ratio is you need to look on the nameplate or use a CT ratio tester to figure it out. Form 9s. The wiring diagrams within this document represent standard conceptual designs for commonly used service it rated. m8eW|`ve> o?`]W N Your email address will not be published. %%EOF They say that our old CT rating was 200:5 and they have changed this to 400:5. and we have been substantially under paying. You take the PT ratio and multiply it times the CT ratio. Eckhard Bick - PDF Free . Web msd wiring diagram step 7al three module selector instructions basic figure. This is the meter that most people will find on their homes. In this case no billing error should be present and you can just correct the multiplier in the field. The simple answer is the form 16s is used on self-contained services up to 200 amps and the form 9s is used on transformer-rated services with CTs. Let I have a energy meter and I dont have information regarding its C.T ratio configuration, then what should I do? Bms panel wiring diagram. to learn how to make power in your own backyard from a Stirling engine! 92 0 obj <> endobj Assuming we have a 120/208 supply, and a 200:5 CT. Would it remain the same @ 120v/line? Form 3S Meter - 2 Wire. amzn_assoc_marketplace = "amazon";
Technical information. This meter form violated Blondel, but provides good accuracy when the two leg to neutral voltages are balanced. DWN: C.Halter 10/96 REV: 2009. Here is the wiring diagram for the form 16s meter. 0000012484 00000 n Also, if you are using a 400 amp meter you have no need for CTs that are rated for less current. 53 S.20O+8*3z6IlO|S\9IT.>v{R %}]u:q1y^WYlrb$ycfa er87Y_BR.rNY&N{i>4*W NzP!,.i_R ^#mg6/h>Q}=x\'S8`&A]F98LkKl/PSg{COv\IJbru+;/v. (120/208V or 277/480V) Meter rated 120 or 277 volt using line-to-ground voltage. Without reading the nameplate it is hard to distinguish the difference. The relays have their own dedicated sets of three (3) CTs. That would mean 400:5 = 80 x 120 = 9600. Our hydro supplier never took actual meter reading for 21months and recalculated and sent a bill for 24k$!!! This means that the current coils inside the meter are rated to carry a continuous 20 amps. %PDF-1.7 % Why Choose Primary Metering Over Secondary Metering? Regards.. No problem. 3^,cVf 1.iOk. There is not too much detail to go into. Transformer-rated services run in parallel with the service. The most common use for this meter and the only one that I recommend using for new installations is in a 3 wire delta service. Now, you must also consider the meter that is being used with the CT. Now most transformer rated meters are rated as Class 20 meters. These are the most common meter forms that are used. As stated before they serve to step down high current to a safe a manageable level. While there are still many 1s meters out in the field and there are utilities who still buy them, they are not nearly as common as they once were. For some people it all depends on how the connections are made to the transformers. The longer answer is that while it is possible, I advise against it. If they found that the multiplier was incorrect and have now corrected it then yes your bill could double in this case. The smaller black line connects to the voltage terminal in the form 9s meter socket and the. For 100 amp meters, use #2 wiring (or in accordance with standard utility operating practices) 4. Voltage is measured leg to leg. -------------------- I am in dilemma what is going wrong. Also further your career as a meter tech or lineman by learning more about how meters work. We also know much about CTs and meters because of Blondels Theorem. I know that I said before that you should consult with the engineer and you should but the formula that we use for current transformer sizing for a single phase transformer is:
Web the form 16s meter is typically used to meter the 4 wire wye service. 106 0 obj <>/Filter/FlateDecode/ID[<5FF6751BA288250001D9A981D96A412A><4C9124A86FC67D45AA2F3B9DCE0008BF>]/Index[92 27]/Length 80/Prev 332449/Root 93 0 R/Size 119/Type/XRef/W[1 2 1]>>stream Wiring diagrams What is the difference between voltage and current? 0000003497 00000 n The wiring diagram for form 45S (transformer rated) wye, 4-wire, with no PTs and 3 CTs for the standard meter is shown below. 7 Pictures about Wiring Diagrams - Bay City Metering NYC : Wiring Diagrams - Bay City Metering NYC, Form 12s Meter Wiring Diagram - Learn Metering and also Wiring Diagrams - Bay City Metering NYC. MAERICH www.maerich.com. You can see how quickly an error could happen in that scenario. Like us on Facebook and get all the updates. 12470 3 phase 4 wire high side diagram wiringmanualpdf.blogspot.com. xref That is because a 400 amp meter is a self-contained meter and does not use CTs. 2800 Duncan RoadLafayette, IN 47904 U.S.APhone: 765.742.1001 Tech Support: 800.777.2774FAX: 765.429.0936 254 0 obj <>stream (adsbygoogle = window.adsbygoogle || []).push({});

Form 12s meters are self-contained meters that can be used on a few different services. General Electric (Thomson) / Aclara Technical Info. This page contains circuit type and wiring diagrams for all the form #'s of meters, sockets and pans; with and without CT's and PT's, for Wye, Delta, and Network. Normal family copper wiring is AWG number 12 or If you still need V circuits, you will have to wire the Neutral wire to the panel box where V AC is available between any Hot wire and a neutral wire, whereas V single phase is available between two hot wires. Meter Connection Diagrams. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Learn how your meter works and save on your power bill. 6. The rating factor means that the CT is capable of handling more than its nameplate value. The form 9s is most commonly used in a 4 wire wye service. How to Calculate the Full Load Ampacity of a Transformer, Buy all Sell all Renewable Energy Metering, Edison and the Electric Chair: A Story of Light and Death A Review. Wiring ge diagrams diagram meter form metering 3p 4w circuit transformers type. If your PT ratio is different you would need to use that ratio instead of 120 and multiply it times 80. my ct/pt is 1/1A but i m using meter with Ib 5A are they compatible. For example, some utilities require anything over 480v to be transformer-rated. This is a transformer-rated meter that would be used when the service is too large to put in a form 2s meter. Yes the CT ratio is considered. amzn_assoc_tracking_id = "cts_pts-20";
waross (Electrical) 8 Jan 19 00:17. Click here to view and print the full size diagram. The short answer is yes but I have sent you an email. They had to specifically order their meters with the correct register ratio so there was some math involved. LOAD . The short answer is yes. They should be the same. This is also known as a network service. We had to pay it or we wouldve got cut off. The first thing that you want to do is find out your electric rate as this will have the information you need to calculate your bill. Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. (adsbygoogle = window.adsbygoogle || []).push({});

This leads to lost revenue. Rating of CTs is 600/5 and we are using multiplier of 120. This meter is most commonly used in a 240v, single phase three wire service. msd wiring diagram step 7al three module selector instructions basic figure. 65 20 (One phase may or may not be grounded.) They are both typically used on a 4 wire delta service type. Author: Deborah Zillich Created Date: Form 5S Meter - Delta No VT. Form 5S Meter - Network. Web, single phase meter wiring . form 3s meter wiring diagram Wiring Diagrams - Bay City Metering NYC. Most transformer-rated meters today are class 20 meters. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Form 3s meter wiring diagram. Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. This makes no sense to me. Wiring meter diagram form 9s diagrams delta metering 3p circuit bay 4w. wiring diagrams circuit meter form metering types 3w 3p . meter phase wiring diagram socket jaw wire electric base amp 200 service electrical waterheatertimer delta pole neutral mobile needs box. endstream endobj 93 0 obj <> endobj 94 0 obj <> endobj 95 0 obj <>stream amzn_assoc_placement = "adunit0";
amzn_assoc_default_category = "Tools";
Wiring Diagrams - Bay City Metering NYC. You can meter this with a form 3s meter. The PT secondary circuit is shared with relays (wye-grounded for relays). %%EOF endstream endobj startxref 136 0 obj <> endobj amzn_assoc_linkid = "118ead0c5b232e5b6984cd40c9021651";
I currently have PQ meter installed in my generator switchgear compartment with PT (due to 13.2kv) and CTs. amzn_assoc_tracking_id = "learnm00-20";
Form 5S Meter - VT. Form 6S Meter - No VT. 7 Pictures about Wiring Diagrams - Bay City Metering NYC : Wiring Diagrams - Bay City Metering NYC, Form 12s Meter Wiring Diagram - Learn Metering and also Wiring Diagrams - Bay City Metering NYC.

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