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HomeMy WebLinkAboutIntertie Quality and Reliability 19939072762961 ML&P DISPATCH 837 P@2/14 DEC 48 ’°93 B7:38 DATE: December 7, 1993 TO: Chairman, Intertie Operating Committ: .. Participants, Alaska Intertie Agreemi:> Seward Electric System , f _ ccs Chairman, ASCC Reliability Criteria cemisem Fin fh) FROM: ML&P, Alaska Intertie Southern Opera‘o:: SUBJECT: Comments on Quality and Reliability in the Operation of the Interconnected System The purpose of these comments is to raise the awerenes. of day to day reliability practices, and to document events causing deviations greater than .1Hz from 60Hz. They also highlight the extent to which required spinning reserves are not available to the interconnected system to sustain the frequency. The information below is preliminary. SPINNING RESERVES DEFICIENCY SUMMARY, December 1-6, 1993 DATE UTILITY HRS HOURLY MW December 1 GVEA 6 7 December 2 GVEA 9 9 December 3 GVEA aT a? December 4 FMUS 6 6 ML&P 8 48 December 5 ML&P 4 24 December 6 ML&P 5 aa DEVIATIONS FROM STEADY STATE OPERATION FOR DEC. 1-6, 1993 *4 Dec @0828 Beluga 3 tripped at 58 MW; Frequency dip to 59.87H2 SILOS and first stage load shed occurred. *NOTE: At the time of the trip, preliminary indications are that ML&P was 9MW short of required spin, I failed to ensure that a temporary dispatcher was adequately briefed on spin procedures. It should further be noted that at the time of the trip, the system as a whole was not deficient in required spinning reserves. No other frequency deviations or line contingencies affecting Intertie operations were recorded. iat IHD kl Ualua Dvork neaeS | St en doer wat bur adlequ ute apn | ena ec aa Hp Wi2 KES paicn towel Fars Poa A © Jars Baoeedd, ee , 9072762961 ML&P DISPATCH 837 PGi/14 DEC 48°93 B7:31 MUNICIPAL LIGHT & POWER ale] 9{s|ala)s|s/sialels/alx all je ao) sl lalla) ola|al sale yy ee 3| a] a| |e] 5/9) 2|s|3/¥/a]s|¢/o]a/a 0) |5/a/9 G ol I $5 - ew 3) gs} gal sal sa] Se] SB) | | YB) Bl |) 8) |B) || B/S = Be 8/8] 8/ 8] 8} | S| 8) $) 3) S| S| 8] 8) 8) 8) 8/8) 3/8) 8/8 alSl alg cigiglele sisi sleisielesiglcialals TT dt }#HRS UNLDED<REQ’D SUMMARY OF DAILY SPIN DEFICIENCES | CEA TOTAL SYSTEM 3 SHORTAGE] Hef} ° > ° 2 3 8 ° o ° fat 0.960 fe 8 290 jp ble lo _ 090 > e 0.00 = a w 000 > wo 0.00 He 0.00 0.00 0.00 0.00 7. . 0.00 0.00 0.00 r 0.00 PERERREEEEERES 0.00 0.co w ooo 0.00 j fetched 0.00 a BEERESSEREREEBREBEE SReSSSEREEESSBREEES 0.00 [ ge EESSCREEREESESEEE 2.00 ererrereereerreeee 0.00 ig 90.00 HBSS BS SlSld 3158S i8|8|8/a/8 TOTALS 9.00 DAILY TOTAL 0.00 ML&P NET |(OWED T | _ |# HRS SHORT 72206 T9629, HILYdSIG dew £6. 88 930d pivpGd 2428 a] TE 226 os 196292, HILbdSIG dzW UTILITY ICHUGACK ELECTRIC JUNICIPAL UGHT & POWER GVEA Puus * aos uv r Cc Cc T vr Ee —€ °o x — e ° N — t e E Q c M 4 Q c “ L Qa c t a c Lt u L P ° u t P ° u Lt s u L s ' A uv a ! A u A ! A 1 i A ' R R T D R R T oD a a F R Rk & € € e E € E € € — — °o — e o HOUR 5b D D> D D> s D Ss MPUTED = CAPACITY |0100| 37 | 98| @3 | 2 | 43 [5a] 69 | 59 [22] 27|0}68] 9 |2 MINUS SYSTEM LOAD 02:00] 37 |111| 93 | 92 | 43 |52| 53 | 53 |22|29/0}8]| 9 |2 04:00] 37 [115] 102| 101] 43 |55| 56 | 66 |22| 2/o}s8| 6 |1 NLOADED=COMPUTED _|05:00| 37 |113| 100| 99 | 43 |54| 55 | 55 |22{ 27|/of;e|s |1 MINUS SALES 08:00] 37 |100| ¢6 | 85 | 43 |6o| 61 | 61 | 22 1}8|el2 07:00] 37 | 76| e8 | 67 | 43 |e2| 62 | 62 | 22 wis|si|s ~ 08:00] 37 |52| 49 | 48] 43 |62| 74 | 72 | 22 21, 8| 8 |4 ~ _ 09:00] 37 |44| 40 | a9 | 43 |47| 69 | 65 | 22 21),e|e6|s 10:00| 37 | 39| 41 | 40 | 43 [41| 55 | 49 22 20{ 8] 8 |6 11:00 37 | 49| 50 | 49 | 43 |42| 55 | 50 | 22 wieje{s6 12:00 37 |50| 55 | 54 | 43 |43| 56 | 51 | 22 misie|s 13:00] 37_|52| 57 | 56] 43 |44| 57 | 52 | 22 12/8] 25 14:00| 37 | 54| 59 | 58 | 43 |45| 5a | 52 [22 nfts|s|s 15:00| 37 |55| 00/59 | 43 |43| 57 | 51 | 22 2ilse|els 16:00| 37 | 49| 54 | 52 | 43 |63| sa | 53 | 22 | s8| 915 17:00| 37 | 44| 50 | 47 | 43 |49| 58 | 52 | 22 21}8)s8 {5 18:00| 37 |50] 55 | 50 | 49 {as | so | 54 f22[ 21 [ai[ ets js 19:00] 37 [48] 56 | 51] 43}55| 62 | se [22| 21/21/68] s}5 20:00 37 [50] 59 | 65 | 43 |eo| es | e5 [22| 21|21/e/ 2/5 21:00 37 |45| 52 | 50 | 43 [66] 70 | oa |22| 21{21|/ 6/8 |5 22:00| 37 |46| 51| 50] 43 |e2| eo | 64 |22| 21[16| 6[ 9 | 6 23:00| 37 |[50| 64 | 53 | 43 [4a] 52 | 52 [22/ 21/5 |e] |s5 _ | 2a:00| 37 oe | 63 |22| 21 Fe e/|s|3 HRS COMP<REQUIRED IRS SHORT __|HRS SHORT #HAS UNLDED<REO'D 3 Bd 228 ad pty 2 2B 2 oI £6. 22:28 SUMMARY OF DAILY SPIN DEFICIENCIES EA TOTAL SYSTEM SHORTAGE HMTY4) 0.00 9.00 9.00 9.00 0.00 ae 0.00 9.00 0.00 wc] | or] fo] «1B 0,00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.co 0.00 0.00 0.00 0.00 0.00 o.co TOTALS 9,00 0,00 TOTALS 0.00 0.00 0,00 0.00 BAILY TOTAL 6.00 # HRS SHORT j—~+ Lit STTRTARaTaHaA HILbdSIG dz £6. 84 33d pT/9@d 24£8 £2:20 2} UTILITY CHUGACH ELECTRIC JUNICIPAL LIGHT & POWER avEA PMUS § a c wr ® DT co vw “ko v € e Qo nN — E o uN et & E € a c LJ t Q c M t ea c L Qa c L u L P ° uU L P ° uv L s u Ll s | A u A ' A uv A i A ' ! A ! R R T o R aR T D R R L R Rg t E E — Ez E € E € —E € ° —E € ° HOUR D o D D Do o D oD D D s D Dd s [COMPUTED = CAPACITY 01:00/ 37 | 83| €6 | 85°] 43 | 58| So 59 22| 28 | o MINUS SYSTEM LOAD 02:00! 37 | 89 | 94 | 93 | 43 [51| 52 62 |22|31foj{oe]s [2 . SAI y 37_[162| 164 [70 4 54 6 o | 3 5 04:00| 37 [105] 107 | 106] 43 [ss 56 56 f22| 31} oe] ¢ [2 UNLOADED=COMPUTED 05:00] 37 |100| 103 | 102 | 43 | 54] 55 6 |22|2e/ofofs [2 MINUS SALES 06:00| 37 | 86| se | s7 | 43 |61| 62 62 |22| 32; o]{e]s [3 [ovo] 37 | ez] es | 64 | 43 [49[ 52 si [2z2{21|/e}/sital|s5 rE 08:00] 37 | 46] 42 | 40 | 43 | 64| 70 | 67 22/21/21} ej] 3 [4 09:00! 37 | 40} 39 | 38 | 43 | 50/ 65 60 [22] 27 [21| 9] 3 |5 10:00] 37 [43| 42 | 41 f 43 [43/60 51 |22{ 21 [21/3] 3 [5 11:00| 37 | 54] 52 | 51 | 43 | 44| 59 61 f22] 21 [20] 9] 3 [5 12:00 37 |57| 41 | 40 | 43 | 49] 61 53 $22; 21/19/39] 8 | 5 13:00| 37 | 62| 43 | 42 | 43 | 49] 61 54 f22| 21|te| 3/9 [5 14:00] 37 }127| 47 | 45 | 43 | 49| 62 54 f22| 21 |1s[ 9] 9 |5 15:00| 37 |106| 44 | 44 | 43 | 49| 63 ss | 22/21 [19/9] 9 |e 16:00| 37 | 43| 43 | 42 { 43 [53 { €3 56. | 22] 21 [21] 9 | 9 [7 17:00| 37 |46| 41 | a8 | 43 | 52] 57 so |22[ 21 [21| 9 | 9 |7 18:00| 37 | 59| 46 | 43 | 43 | 48] 59 62 |22| 21 |/21/ a | 9 [6 19:00] 37 | 60| 44 | 43 [ 43 [so| 63 se j22| 21 |21/ 9 | 9/5 _ [20:00["37 [56 | 45 | 4a [43 [57] 67 63 |22[ 21 [21/9] 9 [5 21:00| 37 [119| se {| 55 | 43 [72] 74 71 J22[ 21 [1e[ 9 | 9 [es 22:00| 37 | 97 | 103[ 102] 43 | a3] es a3 J22|21)i3;/e|e1le6 23:00[ 37 [1e|122[ 121] 43 | 46| 50 4s |22[21}10|e{ 9 {6 [24200 37 | 101 108 106 43 51 54 54 22 | 38 ie] 9 9 6 ob HAS COMP<REQUIRED | ol mz + ieee seca __ tt HRS SHORT [HRS SHORT #HRS UNLDED<REQ’D ro | = To] P [at { i] ; = [ | Eee | | E i | EEEEEEE t I aD [ 1962922206 HoLbdSId de 228 88 35d pI71e 146 £6. ve TOTAL SYSTEM | SHORTAGENY/D SALES! SHORTAGEIHMW} OBIS @| OQ elwin|= 9.00 9.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 DAILY TOTAL |# HRS SHORT + HOLbdSIG d2W SE:40 £6. 88 330 plveBd 468 UTILITY ICHUGACH ELECTRIC ICIPPAL LIGHT & POWER GVEA PMUS. - k-7-o c vw Fr T c uv KT E £ ° N — E oO N E E ff E Q c uM t ° c M Lt Qa c t a c L u L Pp ° u L Pp ° uv t 8 u L s i A u A 1 A u A 1 a t 4 A ! R R T D R R e o Rg Rg L Rg Rg L — E & € — — — E —E E ° — — °o HOUR o [>] o o o D D D D D D s COMPUTED = CAPACITY 0100! 44 [114] 120| 98 | 48 [47] 0 49_fi1| 11/11] 10] 10! 6 is MINUS SYSTEM LOAD 0200] 44 [126] 130/ ios | 49 | 50| 0 52 413] 11 [11[ 10] 01/5 a ql ; 4 43 [S27 TT 0D 44 [137] 142[ 125) 43 [53| 57 6711/11 11/10] 10] 5 2 |UNLOADED = COMPUTED 44 _|136| 149 | 131 f 49 | 52| 55 Bs fii] [|i] wis Nu MINUS SALES 44 |143[ 150[ 737 | a9 [51| 54 64 Jiij afm] sis g 44 133] 158] ef 49 [51] 52 s2_{11| | m[10j 9 16 ag 44_]128| 148 [| 101] a9 [56| 55 s3_ fii] 11 [11|[ 10} 9 [6 _ _ _ 44 Tze 169/115] 49 [50] 44 | 40 [11[ 11 [11] s0f 9 [oe ce 44 | 123] 140 87 | 49 40 3a “35 mi vifr} 9/6 5 44 [123| 166| 99 | 49 [60] 58 62_f11[ 11 f{11[ 10] 3 [eé 3 44 |117| 161| 94 | 49 [50] 57 so |11[ 11 }11| 10[ 10/6 mn 44 {izals37 [98 {40 {sit 5 45 |it{ 11 $17] 10| 10/6 aa 44 [126] 140 [101{ 49 {sS0[ 51 45 fit| [mie] 1/5 2D 44 [130] 144 [305] 49 | 52[ 52 45 fii| {11} 10[ 10/4 2 44 |126| 139 | 100] 49 | s0[ 50 4o_fii| a [aif iol 10] 5 44 |111| 120| 76 | 49 [48[ 58 Bo [11] 11/11] 10/ 10/6 44 _|108| 109 | 63 | a9 | 47[ 55 47_Jii{ [| wl[ 1/6 44 [107[ 110[ 64 [ 49 [a9/ 55 48 [17] 11/77] to] to [6 44 [170] 113] 63 | 49 | 62| 77 72, [11/11] 11] 10] 10 [6 44 [95 | 103{ 72 [49 [71] 75 72 |1[11]11[10[ 10/6 44 [es/ ea} 61 | 49 | 72] 74 e {nium} to} i]s so | 93 | 59 f 49 [er] 84 e2_fii[ 11 [11] 10[ 10 | 8} 44 [108] 112] 83 [ 40 | 67] 90 90 fi] 11 [41] 10] 10 [7 | #HAS COMP<REQUIRED fo # { HRS SHORT #HRS UNLDED<REQ'D _3}_ a wW “ vD Qa wo a ot oo o m oO Qo oO wo W Q “_ id n SUMMARY OF DAY SPIN DEACIENCIES 124/83 I L CEA WILaP IsPIN BALANCES OWED TOTAL SYSTEM ¥ r SHORTAGEHMW) REQUIRED SHO RT ARE IW BALES) [stontacewromaes: E fEDUFED GHORTAGE(W/BALES) SHORTAGE (WO BALERS = CEA MLAP 44 0.00 0.00 49 0.20 49.00 ° 0.20 0.00 _| 44 0.00 0.00 49 0,00 43.00 ° 0.00 0.00 ag 0.00 0.00 43 0.00 0.00 o [0.00 0.00 - 44, 0.00 0.00 49 0.00 0.00 ° 0.00 0.00 = 44 0.00 0.00 49 0,00 0.00 ° 0.00 0.00 44 0.00 0.00 49 0.00 0.00 0 0.00 0.00 44 0.00 0.00 49 0.00 0.00 ° 0.00 0.00 44 0.00 0.00 49 0.00 0.00 ° 0.00 0.00 44 0,00 0.00 49 9.40 5.40 ° 9.40 0.00 os 44 0.00 0.00 49 14.40 10.40 ° 14.40 0.90 44 0.00 0.00 4a | 0.00 0.00 ° 0.00 0.00 44 0.00 0.00 49 0.00 0.00 ° 0.00 0.00 44 0.00 0.00 49 4.00 0.00 ° 4.00 0,00 44 0.00 0.00 43 4.00 0.00 ° 4.00 0.00 44 0.00 0.00 4a | 4.00 0.00 ° 4.00 0.00 _ 44 0.00 _ 0.00 49 9.00 0.00 ° 9.00 0.00 __ _ 44 0.00 0.00 49 0.00 0.00 ° ‘[_0.00 0.00 44 0.00 0,00 49 2.00 0.00 o 200 | 0.00 4 | ____ 9.00 9.00 ae O00 Fe om Pe td 4a 0.09 0,00 4 | 000 ° 0.00 _ 0.00 | 44 0.00 0.00 49 0.00 0,00 ° 0.00 0.00 44 0.00 0.00 49 0.00 0.00 0.00 0.00 0.00 44 0.00 0.00 43 | 0.00 0.00 0.00 0.00 0.00 44 0,00 0.00 49 0.00 0.00 0.00 0.00 0.00 TOTALS 0,00 0.00 TOTALS 48.00 113.80 0.00 48.00 DAILY TOTAL 0.00 I MLAP NET}(OWED TO) | -48.00 _|# HRS SHORT ° +. + el F t f + f —_ : f 19 HOLbdSId d2 88 93d pivatd 288 ‘ £6 UTILITY CHUGACH ELECTRIC MUNICIPAL LIGHT & POWER BVER Pus ; ® / aT 07 € & o N —E — °o N — — &€ — a c uu L a c M L Q c L Qa c t v ile ofulfe P ° vi ietsfulejs 1 A u A ' A u A 1 A 1 i A 1 R R T D R R t . a R L R a L e £ — € e€ € = — & — °o E —€ co |HOUR oD Db D D Dd D D> D s DB D s [COMPUTED = CAPACITY _|0100[ 43 ]98| 97} 73 | 49 | 93] 97 97411] 11]11| 9] 1016 MINUS SYSTEM LOAD 02:00] 43 }112[ 110] 90 | 49 | 96{ 100 | 100 a1 miluls|w]s 04:00| 43 ios} 49 | 99| 103 | 103 J 11] 11) 11| 9 | 10/5 UNLOADED =COMPUTED 05:00| 43 108} 49 {e9| 102! 102 |u| 11/11/89 | 10/6 MINUS SALES 06:00| 43 103| 49 | 99[ 100] 100 J11| 11/11| 9 | 10/5 07:00] 43 os Julm[uls | iwls 08:00] 43 104 [11 [ 11/17] 8 | 10[ 6 0900] 43 se julul(uls tw]? 40:00] 43 so fii] 11[1|9| 0/9 11:00] 43 53 ulate [ifs] 12:00] 43 49 in[uf[uje|iwols 13:00] 43 49 [ulmi] 9] tls ‘[14:00f 43 47_|[11)1{u]|9}| 10/6 15:00] 43 46 fil 11[1|9 | [7 7600| 43 43_julml[ul9s| iw)? [1700] 43 36 fi1{ 11 [it] 9 | tol 7 16:00] 43 aa far] ti [it] 3 {| 10/7 19:00| 43 sa |uf/iuimls|wle [20:00] 43 59 fit] it] ai| 9 | t0]5 21:00) 43 61 fii] m fa] e | wls 22:00| 43 sau [ [at] 6 | wl s 23:00] 43 so Jail i1{m| 9 | tol 6 24:00| 43 | 89 51 a a fat[e [ils #HRS COMP<REQUIRED ° a IHRS SHORT _ [HRS SHORT HRS UNLDED<REQ'D 0 4 0 0 , SSS = 4 T962922286 HILBdASIA do 30 pT7ttd 2&8 ao SUMMARY OF DAILY SPIN DEFMICIENCES CEA [ ee + : TOTAL SYSTEM - SHORTAGEHMW] ] . ‘ HOUR SHORT AOE|W/O GALES) CEA Gee 1 | 0.00 ° 0.00 7 i, 0.00 ° 0.00 ee ; 0.00 o t 0.00 ; 4 | 0.00 o 0.00 ie 5 0.00 ° 0.00 _ € 0.00 | ° 2.00 ray 3 7 0.00 ° 0.00 7 | eee 8 0.00 0 0.00 f 3 s 0.00 ° 0.00 é | Begs 0.00 o 0.00 | 0.00 ° 0.00 | ee 0.00 o 0.00 4 ted: 0.00 ° 0.00 H Z 0.00 ° 0.00 - ne 9.00 ° 0.00 | Pee ° 8 0.00 é ° 0.00 _ E Se ° 0.00 ae o 0.00 - . : ° 0.00 | ee ° + 9,00 | ge 0.00 re 0.00 0.00 : ‘ TOTALS DAILY TOTAL 0.00 # HRS SHORT 0 | Fe fun} T96Z92L24) HILYASIA dW 3d pT/ZTd £8 88 2 8f:240 £6. UTILITY JCHUGACH ELECTRIC UNICIPAL LIGHT & POWER GVEA Puus Ryo c wv =— | e€ € ° N E E °o N — — E E Qa c ” t a c “ L Q c L Qa c L u t P ° uv t Pp ° u t s u Lt Ss ‘ A u A 1 A u A i A ! ' A 1 R R = Do R R 7 Do R R L R f t & £ — e — — — — — . a € € fe] HOUR oD Db Do D s s MPUTED = CAPACMY _[0100[ 37 |105| 107| 83 | 43 |e¢| 53 | 53 $10] 11111] 9 | 1014 MINUS SYSTEM LOAD 37 1o[ 11 [11{ 9 | 10/4 vol iat] i1[ 9} tol4 INLOADED = COMPUTED to] 11 | 11] 9 | 10|4 NUS SALES to] m[ul[se| selfs zo|20/4]al|9|4 20/20/17] 9[ 98/5 20] 21{20|9|91|7 20} 21|20|9| 9 | 6 20|21|20/ e/ 9/5 20[ 20/17] @ | 9/3 zo[ 20/17] 9} 9 [4 20| 20/13s[9| 9/6 2z0{ 20 /13[9|e8/5 20[ 20/16] 9| 9/5 A 20] 22/i1s[ 9/91/65 20] 20/20; 9] 91/5 20| 20117] 9 | 9 [4 20[ 20 | 20] 8 |9|4 20| 20|20|9| 9/5 20[ 20 |i6| 9 | 9 | 4 20| 20|5|9|e|4 20{/20|/s|oe|s|3 #HAS COMP <REQUIRED HRS SHORT _/HRS SHORT #HRS UNLDED <REQ’D 2] ° | 922206 1962 HOLbdSId d2W 7E1ld 48 30 82 2 £6. 62:28 TOTAL SYSTEM SHORTAGRHMW) |SHORTAGEW/O SALES) CEA MLaP a3 0.00 0.00 ° 0.00 0.00 43 0.00 0.00 ° { 0.00 0.00 23 | 0.00 0.00 oc + 0.00 0.00 43 0.00 0.00 ° 0.00 0.00 43 0.00 0.00 o 0.00 0.00 43 0,00 0,00 0 0.00 0.00 43 0.00 0.00 0 0.00 0.00 43 0.00 { 0.00 ° 0.00 0.00 4 43 0.00 0.00 o 0.00 0.00 43 1.80 0.00 ° 1.80 0.00 43 1.80 0.00 0 0.00 3.70 43 1.80 0.00 o 1.57 0.00 43 0.00 0.00 0 0.00 1.23 43 | 0.00 0.00 3 0.00 0.00 43 0.00 0.00 0 0.00 0.00 43 0.00 0.00 ° 0.00 0.00 43 | 280 0.00 ° 0.00 11.05 43 0.00 0.00 o _ | 0.00 3.35 P 0,00 _S5 0.00 ~_0.00 F 6 0.00 “0.00 5 | 0.00 0.00 0.00 0.00 0.00 0.00 |4.40 0.00 0.00 TOTALS 16.18 7.97 DAILY TOTAL | 21.33 | ML&PNETOWED To} | BAT i HRS SHORT | = —— = ds wo wg HOLbdSId de Or:240 £6. 80 93d yivptd 2£8