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HomeMy WebLinkAboutPACKET Light and Power 1996-05-09AGENDA Light and Power Committee May 9, 1996 8:00 a.m., Board Room 1. Platte River Power Authority Wholesale Rate Change ° Purchased Power Rider Discussion 2. Recording Primary Ammeter ° Authorization to Purchase 3. Reports A. Platte River Power Authority B. Financial Report C. Project Updates NOTE: The Light and Power Committee reserves the right to consider other appropriate items not available at the time the agenda was prepared. TOWN OF ESTES PARK Office Memorandum To: Light and Power Committee From: Richard E. Matzke72232~ I)ate: May 8, 1996 Re: Platte River Power Authority Wholesale Rate Change ° Purchased Power Rider Discussion Effective May 1, 1996 Platte River has made the following changes to the wholesale rate structure: Previous Rate New Rate Demand ($/kW) 10.78 10.64 Energy ($/kWh) 0.014 0.015 Also, determination ofthe monthly billing demand has been changed from the Town's six month seasonal coincident peak with a 100% ratchet to our coincident peak demand each month. Based on the billing histories for the period 1992 through 1995, this rate change would result in a 0.6% average revenue reduction for Platte River and a cost reduction of 0.5% to Estes Park. The purpose ofthis rate change is to shift the cost ofthe summer and winter peaks to monthly peaks. The Town's Purchase Power Rider is available to pass on wholesale rate increases or decreases to retail rates without changes to base retail rates. The calculation ofthe Purchase Power Rider is based on the impact ofthe wholesale rate change on the most recent twelve months of energy purchases. The wholesale rate change would have resulted in a $129,950 increase for the twelve months ending April 1996 and a $116,544 increase for the 36 month period ending April 1996. The Light and Power Department recommends that we do not implement the purchase power rider at this time, but adjust our operations to respond to the change in billing demand calculation and reevaluate the impact ofthis change on our actual bills in September 1996. REM 1-1 TOWN OF ESTES PARK Office Memorandum To: Light and Power Committee From: Richard E. Matzke-72.Uk Date: May 8, 1996 Re: Recording Primary Ammeter ° Authorization to Purchase The 1996 Light and Power budget includes $5,500 for purchase of a recording primary ammeter. This is portable equipment that can be temporarily installed on high voltage lines to take readings of current loading. This equipment can then be connected to a computer to print out or graph the readings. This equipment would supplement a recording ammeter the department has used for several years. The Light and Power Department recommends that we purchase a Metrosonics Model fk-pf-1 field kit for $4,995. This equipment can be upgraded as needed to include power factor recording. We have used Metrosonics voltage and current recorders successfully for several years and believe this equipment would best meet our needs. REM 2-1 ;13&:.,7,~<,5*©·~:.qi ,·,.zi..~«vx··wy,; 96/Ili·1 :.9433:9469 ".ft:~.1%6:.·:<.~2:2)204.-'. · . ri.k.r~ti6*iiijk%Mmi*table System Records Distri I .1 --I • RECORD PRIMARY CURRENT ANYWHERE · To 69KV/1000 Amp · Isolated Single Channel/Phase Iliwil-m · True RMS Through the 50th Harmonic • POWER FACTOR RECORDING (pf-1 r) · Complete Data for Capacitor Bank ....4... Al- Siting/Sizing/Timing - No More Assumptions! 1~ \*r -1 Ill'//# 14--Ili e RUGGED/QUICK INSTALLATION · Weighs Less than 4 Pounds · Operates from -30 to +60°C ¥ 70, • POWERFUL SOFTWARE SAVES YOU TIME · Generates Load Profile Charts and Reports 11 View Data From Several Different Locations in One Graph On-Site Display Metrosonics Distribution Profilers are available in two An optional LCD 1-« models: the pf-1 for current magnitude with time stamp, and display with 0.7 inch 'IMET....NIC. @ 03 the pf-1 r for current magnitude and power factor recording. characters can be The pf-1 can be easily upgraded to a pf-1 r with a simple attached to the Profiler, I OF- 1 factory change. allowingthe readingsto be easily seen from the @ Easy Installation ground. The Profilers are quickly installed at any point on the The display is updated according to the sample rate distribution line. Both units are mechanically identical and, selected. When the Profilers are retrieved, the same display sincethey weigh lessthan 4 pounds, theyare easily installed can be used to get min/max readings on-site without a on bare or insulated live lines, using a conventional hot stick. computer. Cable diameters from 0.2 inches to 1.15 inches can be -·" ~ ,-~r J,·-,·-1-·un·%'7-™~~--~~~I~~~~v accommodated. A rubber adaptor is used for cable diameter from 0.2 to 0.4 inches. Continuous Recording The Profilers have a large memory of 64,000 readings (128K). The sample rate is user-selectable from 1 second to .L L J# 10 minutes, and the data storage interval may be set from 1 --71* P 1,~. 1 second to 60 minutes. An internal rechargeable battery -114 r r powers the unit, and maintains the configuration and data. i . Depending on the sample rate and data storage interval p . .,%~04 .3 -< 4 .- -'9 .-:9: · ~ ;»2 · 2 r•• - selected, the Profilers can record for days, weeks or even months. For example, with a sample rate of 2 minutes, data ·0~ ,0 averaged and stored every 20 minutes, and a fully charged battery, the Profilers allow recording for more than 60 days. I..- - ./ <D If the battery reaches a low charge condition, the unit automatically stops recording and saves alldata fora minimum The pf-1/pf-1 r Field Kit - All items are conveniently carried in of 30 days. the nylon carrying case. ~5=im~.MT/'3811/28;e; , 2-2 i Ae ·i·:.• ·,2.· ~1~. Lit,1.'..6.4:%5.13~ .....:f.1.I...9y...4*21...-.. 1.. : ~41.-4 ..9.....,. '... ~.1.0:.4 29€f.-f~~~.*%4340*¢*24*43ittiffi;.33%- )742(84 ptimkiry Cut-Nnt.VAN]*106*#i#Eketbr.94 424'242 #4 -·@·At.~te*fi ...., ' r & ms-pf Metrosoft Software · Summary Report - Provides overall statistics for all recorded data in the The Profilers and ms-pf Metrosoft have been designed selected test. withease of use as aprimaryobjective. Metrosoftiscompletely menu-driven and includes the following powerful features: - OVERALL STATISTICS FOR WHOLE TEST - • QUICK DATA RETRIEVAL INPUT MIN DATE TIME RMS MAX DATE TIME Once the data is taken, ms-pf Metrosoft software is IArn 44A 11/29/94 02:10:00 97A 203A 11/29/94 13:03:00 APF -C.51 11/29/94 05:31:00 -1.00 11/29/94 05:22:40 used to retrieve data and store it on computer. For IAr OA 11/29/94 05:22:40 36A 99A 11/29/94 07:03:00 11/29/94 04:44:00 89A 210A 11/29/94 13:03:00 ultimate convenience, data can be retrieved from up to 4 2; o.U 11/29/94 04:14:00 1.00 11/30/94 06:18:40 Profilers at a specific site, into one datafile. IEr 10A 11/30/94 06:18:40 54A 119A 11/29/94 08:27:20 ICm 44A 11/29/94 02:07:00 108A 211A 11/29/94 13:03:00 CPF 0.39 11/28/94 23:31:00 0.94 11/29/94 22:00:40 s GENERATES LOAD PROFILE CHARTS =Cr 28A 11/30/94 02:38:00 71A 148A 11/29/94 06:57:00 Metrosoft allows you to view the entire test in one MAXIMUM IMBALANCE: 51.56% DATE: 11/29/94 TIME: 04:45:00 graph, so problems are quickly identified. You can even view load profiles from several different locations at the Tabular Report same time. This is very useful for comparing magnitude - Lists data recorded for each phase with calculated against power factor. maximum current imbalance during each storage interval. li TIME lAm APP IAr IBm BPF IBr ICm CPF ICr 21/28/94 16:00:00 MIN 120 +0.80 72 124 +0.73 84 120 +0.74 80 RMS 120 72 124 84 120 80 MAX 120 +0.80 12 124 +0.73 84 120 +0.74 80 MAXIMUM IMBALANCE: 2.20% ~=S 16:00:20 MIN 122 +0.81 72 125 +0.76 81 121 +0.64 92 . RMS 122 12 125 81 121 92 MAX 122 +0.81 72 125 +0.76 81 121 +0.64 92 MAXIMUL. IMBALANCE: 1.90% Exceedance Report - Searches all recorded data and reports incidents where a specified limit was exceeded. <<<<< V/I EXCEEDANCE DATA FOR TEST NUMBER 1 >>>>> TIME IAm APE IAr Ibm BPF -Br ICm CPF ICr An exceptional graphing feature is the ability to zoom- in and enlarge specific time periods of the graph for a 11/29/94 11:55:20 MIN 179 +0.94 59 171 +0.81 101 200 +0.79 122 closer look. RMS 179 59 171 101 200 122 MAX 179 +0.94 59 171 +0.81 101 200 +0.79 122 A scan line feature lets you move a line across the MAXIMUM IMBALANCE. 9.09% graph as the software displays the values for the time range on the graph. This gives you exact numbers and eliminates the need to approximate. Metrosoft also lets s QUICK RECORDER SETUP you place comments on the graph before printing. All With Metrosoft, the Profilers can be set up for different graphs can be printed or plotted for hard copy records, on test conditions in a matter of seconds, by simply filling in any of the 140 different printers supported. a form. You choose which parameters will be recorded (current, power factor, reactive current), the sample rate, ¢ CREATES COMPLETE REPORTS the storage interval, etc. A unique scheduled run feature Metrosoft generates several types of detailed reports, allows pre-setting the Profilers to automatically start which can be view, printed, or exported to popular recording at a specified date and time, and then stop ~ spreadsheet programs. recording at a specified date and time. For added convenience, the software computes the recording time for you, based on the selections you have made. 2-3 1 1 1 1 1 1 10 ->1 1 MN10.-1 >N,rl, 1,01 1 -110-01 I mom-O-101 , A 1 1 •0 7 1 m V W 1 1 ©o MM .,- O 1 10 I If- 1 1 . ..1 1 1 .1 me: . tom 1 1 1-1 ,·4 M 40 10 M , r-1 1 1-1 1 -O,1001- tool , 0 1 d * 1 LE N i .1 1 .1 1 1 rl in rl rl rl , .4 1 0, 0 1 1-1 tell Ir·11 1 1 10, 1 1 - 1 11 1 | A tl .)' | O i .01-,0..4:q': Slg' 01 - it.DO- INt O% in A tr) 1.0 ; I U.,7,Omolmt N tri 10 Q 1-4 ,m, 0,M, 10, mal • • -1 .1 .... . 1 .1 .1 0 71'DA in le, 1- 00 r-1 M r-1 ~*i zin! di- r'z 1 9 -10 1 - W.t- 1 1 i.ni iwi N~ ~ N~ 1 0 1 1 IONI'- 1-1 tr} O 10 N 10 0, I - II,r}MIMI M.Mt-fN 1 1 11 1 to O 11440 .4 Imt ,-0 44 foorl (91 1 11 1 MA: 4221 21 ..... .1 .1 ONNNIMI 1 11 1 2 J | d N en i r· 1 .4 N A O O 1 1 Ill imt .4 W r, r-I N 1 1 1 1 / 1 % 1.1 1 .1 1 1 .1 1.4 1 1-1 1 1 1 HI 1 + INE m.lizi to o m f tr, 10 ! .4 i 10 1.1 101 E*NE W?,20*isi 2101 El W N in {- 1-4 ! . 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