ML17095A113

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License Amendment Request to Revise Emergency Action Level Scheme: Attachment 4, Supporting Calculations for EAL Thresholds, Part 1 of 5
ML17095A113
Person / Time
Site: Monticello  Xcel Energy icon.png
Issue date: 03/31/2017
From:
Northern States Power Company, Minnesota, Xcel Energy
To:
Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation
Shared Package
ML17095A107 List:
References
L-MT-17-012 CA-02-179
Download: ML17095A113 (11)
v • d • e


Text

L-MT-17-012 NSPM ATTACHMENT 4 MONTICELLO NUCLEAR GENERATING PLANT License Amendment Request to Revise the Emergency Action Level Scheme Supporting Calculations for Emergency Action Level Thresholds CA-02-179, "MNGP 125 Volt Div. I Battery Calculation," with only Attachment K (supports CU4, SGS, and SSS) CA-02-192, "MNGP 125 Volt Div II Battery Calculation," with only Attachment K (supports CU4, SGS and SSS) CA-04-194, "Containment High Range Radiation Monitor (CHRRM) Response to Drywell Airborne Activity," including Minor Revision, with Attachment C as annotated (supports Fission Product Barrier EALs) CA-04-199, "Methodology Used to Derive Radiation Monitor Readings for NEI 99-01, Rev 6," full calculation (supports RU1, RA1, RS1 and RG1) CA-04-202, "Dose Rates to CHRRM Detectors Due to Drop in RPV Water Level," without Attachments (supports CS1 and CG1) (17S pages to follow)

CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" with onlv Attachment K (10 total paqes) ti} ,'v.c'. el.Bnengy*, .. Calculation No.: 02-179 Rev 003A A* . Calculation Page Page 1 of 3 1.0 Purpose/Objective This minor revision is prepared to revise the DCSDM scenario step time entry format to address the issue documented under CAP AR 01474466.

Specifically, colons are replaced with periods between the digits for seconds and tenths of a The pending changes associated with EC 25695 and EC 25753 are also incorporated in the DCSDM database under this minor revision.

2.0 Methodology

The methodology of Revision 003 remains unaffected.

3.0 Acceptance

Criteria Acceptance criteria are not changed by this minor revision.

4.0 Assumptions

This minor revision adds no assumptions.

5.0 References

The following references are added under this minor revision:

5.9 DC Load Study Reports 5.9.1 DC Load Study Report EC 25695-Evaluate Replacement for Obsolete Relays ESRX1/2, ZSR1/2, MSR1/2, VSR1/2 5.9.2 DC Load Study Report EC 25753 -Replace Normally Energized HGA Relays with Century Coil HGA Relay 6.0 Input Data Revision 003 inputs are unaffected by this minor revision.

7 .0 Calculation The database file which was used to perform this analysis is: 02-179_Rev003A.db, 02/18/201611:09, 19,130,368 bytes 8.0 Results and Conclusions The conclusions of revision 003 remain unchanged in that the battery is sufficiently sized to support the required duty cycle. 8.1. Device Voltage All devices analyzed meet the acceptance criteria defined in Revision 003 Section 3.2 with the following justifications:

Items with negative voltage margins are identified in Attachment C, along with justifications for their acceptability.

These justifications are unchanged by minor revision 003A.

CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" fl Xcel Energy-* Calculation Page Calculation No.: 02-179 Rev 003A Page 2 of 3 The minimum battery voltage is 105.235 volts in the last minute of the scenario (105.509 volts in the next to last minute). Per Revision 003 section 2.2, the battery sizing will be performed using the device with the lowest positive voltage delta (from Attachment B) and the calculated terminal voltage for the battery at that time or using 105.0 Vdc, whichever is higher. Additionally, the resolutions the devices in Attachment C are also included in this review since the validity of those resolutions is dependent upon maintaining adequate voltage at the nodes supplying the devices. The margin between the minimum calculated battery voltage and 105.0 Vdc is 0.509 Vdc (105.509-105) during the next to last minute and 0.235 Vdc (105.235 -105.0) during the last minute. The low margin loads were determined from a review of the Path Voltage Drop summary (Attachment B), Node Voltages (Attachment F), and the resolutions for items in Attachment C. There are several loads associated with breaker controls on nodes 18 and 20 that are shown as marginal at times other than the last two minutes of the scenario.

A review of these items indicates that those loads that must pick up during those times would have adequate voltage with a battery voltage of 105 Vdc. Those loads that are already energized during those marginal times would remain energized due to their hold in voltage-being less than pickup voltage. During the last 2 minutes of the scenario, there are several devices supplied from Panel C-91 (EOG #11 controls), with voltage margins of less than 0.509 Vdc in the next to last minute or 0.235 Vdc in the last minute. These are all loads that are previously energized and only dip to these lower voltages during spring charge inrush or EOG field flash and would remain energized since their dropout voltages are significantly less than their pickup voltage. The remaining loads in attachment B have a greater margin than 0.509 Vdc. Therefore the battery will be sized to 105.0 Vdc. 8.2. Battery Sizing 8.2.1. Minimum Battery Terminal Voltage The minimum battery terminal voltage from Attachment F is 105.235 Volts. The minimum required battery terminal voltage as determined by the methodology outlined in Revision 003 Section 2.2 and as described in section 8.1 is then 105.00 Vdc. This voltage translates to 1.81 volts per cell for the 58 cell battery (105.00 Vdc). 8.2.2. Minimum Required Battery Size Battery 01 (C&D KCR-13 Cells) was shown to be adequately sized for the evaluated scenario and corresponding load profile. The acceptability of the battery is based on the results of Attachment H. The battery size is determined using a minimum required battery terminal voltage of 105.00 Vdc. An additional 1.0 Ade constant impedance load is included on panel 011 to allow for future load additions.

Scenario D1DBA Required Battery Size Actual Battery Size 5.65 Positive Plates 6 Positive Plates Spare Capacity 6.38%

CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Xcel Energy-* 8.2.3. Minimum Number of Cells Calculation Page Calculation No.: 02-179 Rev 003A Page 3 of 3 Based on these results, an analysis of the battery will not be performed to determine the number of cells that can be removed from service while maintaining adequate battery capacity as it is clear that there is not adequate margin to remove a cell and maintain a positive design margin with cells removed and the parameters used in this calculation.

8.3. Margin

Load An additional 1.0 Ade constant impedance load is included on panel 011 to allow for future load additions.

8.4. Cable

Ampacity Verification The cables in the system are sized adequately with regard to ampacity as described in section 7.7 of major revision 003. 9.0 Plant Impact 9.1. No new Future Actions are identified in this minor revision.

CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" By: Attachment K Voltage Profile Xcel Energy I Monticello

-125Vdc Cale No.02-179 Rev. 003A DCSDM Version 3.0 Attachment KD1DBA Page KD1DBA 1 of KD1DBA 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 021171201610:29 am Battery: 01 Load (amperes)

Corrected Load Time (min.) (amps) 149.09 183.69 77.97 96.07 2 77.81 95.88 3 77.81 95.88 4 77.81 95.88 5 77.81 95.88 6 77.81 95.88 7 77.81 95.88 8 77.81 95.88 9 77.81 95.88 10 77.81 95.88 11 77.81 95.88 12 77.81 95.88 13 77.81 95.88 14 77.81 95.88 15 77.81 95.88 16 77.81 95.88 17 77.81 95.88 18 77.81 95.88 19 77.81 95.88 20 77.81 95.88 21 77.81 95.88 22 77.81 95.88 23 77.81 95.88 24 77.81 95.88 25 77.81 95.88 26 77.81 95.88 27 77.81 95.88 28 77.81 95.88 29 83.39 102.75 30 64.85 79.90 31 64.85 79.90 32 64.85 79.90 33 64.85 79.90 34 64.85 79.90 35 64.85 79.90 36 64.85 79.90 37 64.85 79.90 38 64.85 79.90 39 64.85 79.90 40 64.85 79.90 41 AMP-HRS Removed 3.06 4.66 6.26 7.86 9.46 11.05 12.65 14.25 15.85 17.45 19.04 20.64 22.24 23.84 25.44 27.03 28.63 30.23 31.83 33.43 35.02 36.62 38.22 39.82 41.41 43.01 44.61 46.21 47.81 49.52 50.85 52.18 53.51 54.85 56.18 57.51 58.84 60.17 61.50 62.84 64.17 AMP-HR/ Pos AMPS/ Pos Cell Voltage (Volts) Terminal Voltage Pit Pit (Volts) 0.51 30.62

  • 1.902 110.29 0.78 16.01 1.942 112.62 1.04 15.98 1.942 112.62 1.31 15.98 1.941 112.61 1.58 15.98 1.941 112.60 1.84 15.98 1.941 112.59 2.11 15.98 1.941 112.58 2.38 15.98 1.941 112.57 2.64 15.98 1.941 112.56 2.91 15.98 1.940 112.55 3.17 15.98 1.940 112.53 3.44 15.98 1.940 112.52 3.71 15.98 1.940 112.51 3.97 15.98 1.940 112.50 4.24 15.98 1.939 112.49 4.51 15.98 1.939 112.48 4.77 15.98 1.939 112.47 5.04 15.98 1.939 112.46 5.30 15.98 1.939 112.45 5.57 15.98 1.939 112.43 5.84 15.98 1.938 112.42 6.10 15.98 1.938 112.41 6.37 15.98 1.938 112.40 6.64 15.98 1.938 112.39 6.90 15.98 1.938 112.38 7.17 15.98 1.937 112.36 7.44 15.98 1.937 112.35 7.70 15.98 1.937 112.34 7.97 15.98 1.937 112.33 8.25 17.12 1.933 112.11 8.48 13.32 1.944 112.77 8.70 13.32 1.944 112.77 8.92 13.32 1.944 112.76 9.14 13.32 1.944 112. 75 9.36 13.32 1.944 112.74 9.58 13.32 1.944 112.73 9.81 13.32 1.943 112.72 10.03 13.32 1.943 112. 71 10.25 13.32 1.943 112.70 10.47 13.32 1.943 112.69 10.69 13.32 1.943 112.68 *** Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Xcel Energy I Monticello

-125Vdc DCSDM Version 3.0 Attachment KD1DBA Page KD1DBA 2 of KD1DBA Cale No.02-179 Rev. 003A 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 0211712016 10:29 am Battery: 01 Load (amperes)

Corrected Load Time (min.) (amps) 64.85 79.90 42 64.85 79.90 43 64.85 79.90 44 64.85 79.90 45 64.85 79.90 46 64.85 79.90 47 64.85 79.90 48 64.85 79.90 49 64.85 79.90 50 64.85 79.90 51 64.85 79.90 52 64.85 79.90 53 64.85 79.90 54 64.85 79.90 55 64.85 79.90 56 64.85 79.90 57 64.85 79.90 58 64.85 79.90 59 65.51 80.72 60 64.76 79.79 61 64.76 79.79 62 64.76 79.79 63 64.76 79.79 64 64.76 79.79 65 64.76 79.79 66 64.76 79.79 67 64.76 79.79 68 64.76 79.79 69 64.76 70 64.76 79.79 71 64.76 79.79 72 64.76 79.79 73 64.76 79.79 74 64.76 79.79 75 64.76 79.79 76 64.76 79.79 77 64.76 79.79 78 64.76 79.79 79 64.76 79.79 80 64.76 79.79 81 64.76 79.79 82 AMP-HRS Removed 65.50 66.83 68.16 69.49 70.83 72.16 73.49 74.82 76.15 77.48 78.82 80.15 81.48 82.81 84.14 85.47 86.81 88.14 89.48 90.81 92.14 93.47 94.80 96.13 97.46 98.79 100.12 101.45 102.78 104.11 105.44 106.77 108.10 109.43 110.76 112.09 113.42 114.75 116.08 117.41 118.74 AMP-HR/ Pos AMPS/ Pos Cell Voltage (Volts) Terminal Voltage Pit Pit (Volts) 10.92 13.32 1.943 112.67 11.14 13.32

  • 1.942 112.66 11.36 13.32
  • 1.942 112.65 11.58 13.32
  • 1.942 112.64 11.80 13.32
  • 1.942 112.64 12.03 13.32
  • 1.942 112.63 12.25 13.32
  • 1.942 112.62 12.47 13.32 1.941 112.61 12.69 13.32 1.941 112.59 12.91 13.32 1.941 112.58 13.14 13.32 1.941 112.57 13.36 13.32 1.941 112.56 13.58 13.32 1.941 112.55 13.80 13.32 1.940 112.54 14.02 13.32 1.940 112.53 14.25 13.32 1.940 112.52 14.47 13.32 1.940 112.51 14.69 13.32 1.940 112.50 14.91 13.45 1.939 112.46 15.14 13.30 1.939 112.48 15.36 13.30 1.939 112.47 15.58 13.30 1.939 112.46 15.80 13.30 1.939 112.45 16.02 13.30 1.939 112.44 16.24 13.30 1.938 112.43 16.47 13.30 1.938 112.42 16.69 13.30 1.938 112.40 16.91 13.30 1.938 112.39 17.13 13.30 1.938 112.38 17 .35 13.30 1.937 112.37 17 .57 13.30 1.937 112.36 17 .80 13.30 1.937 112.35 18.02 13.30 1.937 112.34 18.24 13.30 1.937 112.32 18.46 13.30 1.936 112.31 18.68 13.30 1.936 112.30 18.90 13.30 1.936 112.29 19.12 13.30 1.936 112.28 19.35 13.30 1.936 112.26 19.57 13.30 1.935 112.25 19.79 13.30 1.935 112.24 *** Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Xcel Energy I Monticello . 125Vdc DCSDM Version 3.0 Attachment KD1 DBA Page KD1 DBA 3 of KD1 DBA Cale No.02-179 Rev. 003A 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 02/1712016 10:29 am Battery: 01 Load (amperes) 64.76 64.76 64.76 64.76 64.76 64.76 64.76 64.76 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 62.20 127.83 62.21 62.21 62.21 Corrected Load (amps) 79.79 79.79 79.79 79.79 79.79 79.79 79.79 79.79 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 76.64 157.50 76.65 76.65 76.65 Time (min.) 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 AMP-HRS Removed 120.07 121.40 122.73 124.06 125.39 126.72 128.05 129.38 130.66 131.93 133.21 134.49 135.76 137.04 138.32 139.60 140.87 142.15 143.43 144.71 145.98 147.26 148.54 149.82 151.09 152.37 153.65 154.92 156.20 157.48 158.76 160.03 161.31 162.59 163.87 165.14 166.42 169.05 170.32 171.60 172.88 AMP-HR/Pos Pit 20.01 20.23 20.45 20.68 20.90 21.12 21.34 21.56 21.78 21.99 22.20 22.41 22.63 22.84 23.05 23.27 23.48 23.69 23.90 24.12 24.33 24.54 24.76 24.97 25.18 25.39 25.61 25.82 26.03 26.25 26.46 26.67 26.89 27.10 27.31 27.52 27.74 28.17 28.39 28.60 28.81 AMPS/ Pos Pit 13.30 13.30 13.30 13.30 13.30 13.30 13.30 13.30 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 12.77 26.25 12.78 12.78 12.78 Cell Voltage (Volts) 1.935 1.935 1.935 1.934 1.934 1.934 1.934 1.933 1.935 1.935
  • 1.935
  • 1.935
  • 1.934
  • 1.934
  • 1.934
  • 1.934
  • 1.933 1.933 1.933 1.933 1.933 1.932 1.932 1.932 1.932 1.931 1.931 1.931 1.931 1.931 1.930 1.930 1.930 1.930 1.929 1.929 1.929 1.877 1.928 1.928 1.928 *** Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Terminal Voltage (Volts) 112.23 112.22 112.20 112.19 112.18 112.17 112.15 112.14 112.24 112.23 112.22 112.20 112.19 112.18 112.17 112.15 112.14 112.13 112.12 112.10 112.09 112.08 112.06 112.05 112.04 112.03 112.01 112.00 111.98 111.97 111.96 111.94 111.93 111.91 111.90 111.89 111.87 108.84 111.83 111.81 111.80 Xcel Energy I Monticello

-125Vdc DCSDM Version 3.0 Attachment KD1DBA Page KD1DBA 4 of KD1DBA Cale No. 02-H9 Rev. 003A 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 0211712016 10:29 am Battery: 01 Load (amperes)

Corrected Load Time (min.) (amps) 62.21 76.65 124 62.21 76.65 125 62.21 76.65 126 62.21 76.65 127 62.21 76.65 128 62.21 76.65 129 62.21 76.65 130 62.21 76.65 131 62.21 76.65 132 62.21 76.65 133 62.21 76.65 134 62.21 76.65 135 62.21 76.65 136 62.21 76.65 137 62.21 76.65 138 62.21 76.65 139 62.21 76.65 140 62.21 76.65 141 62.21 76.65 142 62.21 76.65 143 62.21 76.65 144 62.21 76.65 145 62.21 76.65 146 62.21 76.65 147 62.21 76.65 148 62.21 76.65 149 62.21 76.65 150 67.25 82.86 151 110.60 136.26 152 61.96 76.34 153 61.96 76.34 154 61.96 76.34 155 61.96 76.34 156 61.96 76.34 157 61.96 76.34 158 61.96 76.34 159 61.96 76.34 160 61.96 76.34 161 61.96 76.34 162 61.96 76.34 163 61.96 76.34 164 AMP-HRS Removed 174.16 175.43 176.71 177.99 179.27 180.54 181.82 183.10 184.38 185.65 186.93 188.21 189.49 190.76 192.04 193.32 194.60 195.87 197.15 198.43 199.71 200.98 202.26 203.54 204.82 206.09 207.37 208.75 211.02 212.30 213.57 214.84 216.11 217.39 218.66 219.93 221.20 222.48 223.75 225.02 226.29 AMP-HR/ Pas AMPS/ Pas Cell Voltage (Volts) Terminal Voltage Pit Pit (Volts) 29.03 12.78 1.927 111.78 29.24 12.78 1.927 111.77 29.45 12.78 1.927 111.75 29.66 12.78 1.927 111.74 29.88 12.78 1.926 111.72 30.09 12. 78 1.926 111. 71 30.30 12.78 1.926 111.69 30.52 12. 78 1.925 111.68 30.73 12.78 1.925 111.66 30.94 12.78 1.925 111.64 31.16 12.78 1.925 111.63 31.37 12.78 1.924 111.61 31.58 12.78 1.924 111.60 31.79 12.78 1.924 111.58 32.01 12.78 1.924 111.56 32.22 12.78 1.923 111.55 32.43 12.78 1.923 111.53 32.65 12.78 1.923 111.51 32.86 12.78 1.922 111.50 33.07 12.78 1.922 111.48 33.28 12. 78 1.922 111.46 33.50 12. 78 1.921 111.45 33.71 12.78 1.921 111.43 33.92 12.78 1.921 111.41 34.14 12.78 1.921 111.39 34.35 12.78 1.920 111.38 34.56 12.78 1.920 111.36 34.79 13.81 1.915 111.06 35.17 22.71 1.875 108.75 35.38 12. 72 1.919 111.30 35.59 12.72 1.919 111.28 35.81 12.72 1.918 111.27 36.02 12. 72 1.918 111.25 36.23 12.72 1.918 111.23 36.44 12.72 1.917 111.21 36.66 12.72 1.917 111.19 36.87 12. 72 1.917 111.17 37.08 12.72 1.916 111.15 37.29 12.72 1.916 111.13 37.50 12.72 1.916 111.11 37.72 12.72 1.915 111.09 *** Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Xcel Energy I Monticello

  • 125Vdc DCSDM Version 3.0 Attachment KD1 OBA Page K01 OBA 5 of K01 OBA Cale No.02-179 Rev. 003A 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 0211712016 10:29 am Battery: 01 Load (amperes)

Corrected Load Time (min.) (amps) 61.96 76.34 165 61.96 76.34 166 61.96 76.34 167 61.96 76.34 168 61.96 76.34 169 61.96 76.34 170 61.96 76.34 171 61.96 76.34 172 61.96 76.34 173 61.96 76.34 174 61.96 76.34 175 61.96 76.34 176 61.96 76.34 177 61.96 76.34 178 61.96 76.34 179 61.96 76.34 180 61.81 76.15 181 61.81 76.15 182 61.81 76.15 183 61.81 76.15 184 61.81 76.15 185 61.81 76.15 186 61.81 76.15 187 61.81 76.15 188 61.81 76.15 189 61.81 76.15 190 61.81 76.15 191 61.81 76.15 192 61.81 76.15 193 61.81 76.15 194 61.81 76.15 195 61.81 76.15 196 61.81 76.15 197 61.81 76.15 198 61.81 76.15 199 61.81 76.15 200 61.81 76.15 201 61.81 76.15 202 61.81 76.15 203 61.81 76.15 204 61.81 76.15 205 AMP-HRS Removed 227.56 228.84 230.11 231.38 232.65 233.93 235.20 236.47 237.74 239.02 240.29 241.56 242.83 244.11 245.38 246.65 247.92 249.19 250.46 251.73 253.00 254.27 255.54 256.80 258.07 259.34 260.61 261.88 263.15 264.42 265.69 266.96 268.23 269.50 270.77 272.03 273.30 274.57 275.84 277.11 278.38 AMP-HR/ Pos AMPS/ Pos Cell Voltage (Volts) Terminal Voltage Pit Pit (Volts) 37 .93 12. 72 1.915 111.07 38.14 12.72 1.915 111.05 38.35 12. 72 1.914 111.03 38.56 12. 72 1.914 111.01 38.78 12.72 1.914 110.99 38.99 12.72 1.913 110.97 39.20 12.72 1.913 110.95 39.41 12.72 1.913 110.93 39.62 12.72 1.912 110.91 39.84 12. 72 1.912 110.89 40.05 12. 72 1.911 110.86 40.26 12.72 1.911 110.84 40.47 12.72 1.911 110.82 40.68 12.72 1.910 110.80 40.90 12.72 1.910 110.78 41.11 12.72 1.910 110.75 41.32 12.69 1.909 110.74 41.53 12.69 1.909 110.72 41.74 12.69 1.909 110.70 41.95 12.69 1.908 110.67 42.17 12.69 1.908 110.65 42.38 12.69 1.907 110.63 42.59 12.69 1.907 110.61 42.80 12.69 1.907 110.58 43.01 12.69 1.906 110.56 43.22 12.69 1.906 110.54 43.44 12.69 1.905 110.51 43.65 12.69 1.905 110.49 43.86 12.69 1.905 110.47 44.07 12.69 1.904 110.44 44.28 12.69 1.904 110.42 44.49 12.69 1.903 110.39 44.70 12.69 1.903 110.37 44.92 12.69 1.902 110.34 45.13 12.69 1.902 110.32 45.34 12.69 1.902 110.29 45.55 12.69 1.901 110.26 45. 76 12.69 1.901 110.24 45.97 12.69 1.900 110.21 46.19 12.69 1.900 110.19 46.40 12.69 1.899 110.16 *** Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Xcel Energy I Monticello

-125Vdc DCSDM Version 3.0 Attachment KD1DBA Page KD1DBA 6 of KD1DBA Cale No.02-179 Rev. 003A 7 CA-02-179, "MNGP 125 Volt Div. I Battery Calculation" Voltage Profile Generation Date: 0211712016 10:29 am Battery: 01 Load (amperes) 61.81 61.81 61.81 61.81 61.81 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 61.62 105.63. 108.28 Corrected Load Time (min.) (amps) 76.15 206 76.15 207 76.15 208 76.15 209 76.15 210 75.93 211 75.93 212 75.93 213 75.93 214 75.93 215 75.93 216 75.93 217 75.93 218 75.93 219 75.93 220 75.93 221 75.93 222 75.93 223 75.93 224 75.93 225 75.93 226 75.93 227 75.93 228 75.93 229 75.93 230 75.93 231 75.93 232 75.93 233 75.93 234 75.93 235 75.93 236 75.93 237 75.93 238 130.14 239 133.42 240 AMP-HRS Removed 279.65 280.92 282.19 283.46 284.73 285.99 287.26 288.52 289.79 291.05 292.32 293.58 294.85 296.12 297.38 298.65 299.91 301.18 302.44 303.71 304.97 306.24 307.50 308.77 310.04 311.30 312.57 313.83 315.10 316.36 317.63 318.89 320.16 322.33 324.55 AMP-HR/Pos Pit . 46.61 46.82 47.03 47.24 47.45 47.67 47.88 48.09 48.30 48.51 48.72 48.93 49.14 49.35 49.56 49.77 49.99 50.20 50.41 50.62 50.83 51.04 51.25 51.46 51.67 51.88 52.09 52.31 52.52 52.73 52.94 53.15 53.36 53.72 54.09 AMPS/ Pos Cell Voltage (Volts) Terminal Voltage Pit (Volts) 12.69 1.899 110.13 12.69 1.898 110.11 12.69 1.898 110.08 12.69 1.898 110.06 12.69 1.897 110.03 12.65 1.897 110.02 12.65 1.896 109.99 12.65 1.896 109.96 12.65 1.895 109.93 12.65 1.895 109.91 12.65 1.894 109.88 12.65 1.894 109.85 12.65 1.893 109.82 12.65 1.893 109.79 12.65 1.892 109.76 12.65 1.892 109.73 12.65 1.891 109. 70 12.65 1.891 109.67 12.65 1.890 109.64 12.65 1.890 109.61 12.65 1.889 109.58 12.65 1.889 109.55 12.65 1.888 109.51 12.65 1.888 109.48 12.65 1.887 109.45 12.65 1.887 109.42 12.65 1.886 109.38 12.65 1.885 109.35 12.65 1.885 109.32 12.65 1.884 109.28 12.65 1.884 109.25 12.65 1.883 109.22 12.65 1.882 109.18 21.69 1.819 105.51 22.24 1.814 105.24 ,., Denotes Extrapolated Data. Please Verify the Battery Characteristics Library. Xcel Energy I Monticello

-125Vdc DCSDM Version 3.0 Attachment KD1DBA Page KD1DBA 7 of KD1DBA Cale No. 02-"l79 Rev. 003A 7

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