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Prolonged Life High Performance Cells YAP/YCP/YHP RANGE SUMMARY Publication No: EN-PL-RS-002 - May 2004 Introduction to . . . YAP / YCP / YHP Construction 1 Vent plug 1 2 Cell pillar 2 3 Cell lid 4 Negative plate 3 5 Positive plate The EnerSys range of PowerSafe Planté YAP, YCP and YHP cells has been designed for standby power applications wherever high performance and long life 4 6 Separator 7 Bar guard 6 8 Container 5 9 End buffer are absolute requirements. Using the traditional 7 Planté positive plate design, refined by more of than 100 EnerSys’ years battery manufacturing experience, 9 Planté’s specifications make it 8 the ideal choice for a wide range of applications such telecommunications, generation and as power distribution, UPS, emergency lighting and security systems. • Vent plugs - designed to allow free exit The Planté cell is unique in that it delivers 100% of its rated capacity throughout its entire life, a claim unmatched by any other lead Features acid battery technology. This eliminates the need to oversize the battery to allow for reduced performance of gasses, yet eliminate acid spray. Explosion minimising vent plugs are available as an option • Cell pillars - lead alloy (YAP) with copper insert (YCP/YHP) designed to give minimum resistance and maximum current flow • Cell containers - moulded from durable, transparent styrene acrylonitrile (SAN) to allow electrolyte level and cell condition to be monitored visually • Cell lids - moulded from durable, towards the end of service life. opaque SAN sealed to container to ensure no electrolyte leakage The capacity range covered by • Negative plates - pasted grids provide EnerSys high performance PowerSafe Planté products is 15 to 2000 ampere-hours (10h to perfect balance with the positive plates to give maximum performance and service life • Positive plates - unique, pure lead 1.85Vpc at 15°C). YAP types construction ensures 100% capacity throughout long service life cover 15 to 75Ah; YCP types 100 • Separators - made from natural ribbed to 425Ah and YHP types 500 to 2000Ah. Benefits • High performance cells • First choice for long life and reliability • Excellent performance at both high and low rates of discharge • Low internal resistance • Retain 100% capacity throughout life • Proven service life in excess of 20 years on float or trickle charge • Low maintenance (periods between water addition up to 3 years) due to large electrolyte reserve Standards • Compliant with IEC 60896-11 and BS6290 Part 2 • Manufactured to ISO9001 quality standard microporous rubber for minimum resistance • Bar guards - safeguard against short circuits • End buffers - provide additional lateral support at each end of the element, ensuring a compact assembly to prevent plate movement during transit www.enersys.com Publication No: EN-PL-RS-002 - May 2004 General Specifications Nominal Capacity (Ah) Nominal Dimensions (mm) Typical Weight (kg) Cell Type 3h to 1.80Vpc 10h to 1.85Vpc 8h to 1.75Vpc @ 20°C @ 15°C @ 25°C Length (1) Width (2) Box Height Overall Height of Cell Filled Dry YAP 5 YAP 9 YAP 13 YAP 17 YAP 21 YCP 9 YCP 11 YCP 13 YCP 17 YCP 21 YCP 25 YCP 27 YCP 29 YCP 33 YCP 35 YHP 11 YHP 13 YHP 15 YHP 17 YHP 19 YHP 21 YHP 23 YHP 25 YHP 27 YHP 29 YHP 31 YHP 33 YHP 35 YHP 37 YHP 39 YHP 41 12.5 25 37.5 50 62.5 83 103.5 124 165.5 207 248 269 290 331 352 422 506 591 675 760 844 928 1013 1097 1182 1266 1351 1435 1519 1604 1689 76 114 190 190 228 134 172 172 210 248 286 362 362 362 362 230 230 306 306 306 357 357 433 433 433 509 509 509 585 585 585 133 133 133 133 133 203 203 203 203 203 203 203 203 203 203 368 368 368 368 368 368 368 368 368 368 368 368 368 368 368 368 212 212 212 212 212 349 349 349 349 349 349 349 349 349 349 592 592 592 592 592 592 592 592 592 592 592 592 592 592 592 592 260 260 260 260 260 423 423 423 423 423 423 423 423 423 423 682 682 682 682 682 682 682 682 682 682 682 682 682 682 682 682 3.8 6.3 10.0 11.5 13.6 18.6 22.2 24.9 30.6 36.9 43.4 52.6 54.4 58.4 60.3 95.2 106.2 133.5 144.5 155.5 179.3 190.4 218.0 229.0 240.1 268.3 279.2 290.2 318.2 329.2 340.2 2.6 4.4 6.6 8.2 9.8 13.1 14.7 17.7 21.9 26.5 31.3 36.0 38.2 42.9 45.2 63.0 75.6 88.2 100.8 113.4 126.0 138.6 151.2 163.8 176.4 189.0 201.6 214.2 226.8 239.4 252.0 15 30 45 60 75 100 125 150 200 250 300 325 350 400 425 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 17 34 50 67 84 112 141 169 225 281 338 365 394 450 478 577 692 807 923 1038 1153 1269 1384 1500 1615 1730 1845 1960 2077 2192 2307 Electrolyte Volume S.G. = 1.210 (litres) Pillars per Pole (3) Internal Resistance (µΩ) 1.0 1.6 2.8 2.7 3.2 4.5 6.2 5.9 7.2 8.6 10.0 13.7 13.4 12.8 12.5 27.1 25.7 38.1 36.7 35.4 44.8 43.5 56.1 54.8 53.5 66.6 65.2 63.9 76.8 75.5 74.1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 5195 2597 1732 1299 1039 923 754 640 500 417 364 344 327 300 290 351 293 251 220 195 176 160 146 135 126 117 110 104 98 93 88 Notes: (1)The length of a box or cell is measured at right angles to the plates. (2)The width of a cell is measured parallel to the plates. (3) YAP cells: M6 fasteners - YCP/YHP: M8 fasteners Operating Characteristics Voltage Float Charge The nominal voltage is 2 volts per cell, i.e. a nominal 110V battery will have 55 cells. On discharge, the recommended final voltage at which the discharge should be terminated depends on the discharge rate. For example, the final voltage for the three hour rate of discharge is 1.80 volts. After final voltage has been reached, the voltage will fall away at an increasing rate. Constant voltage float charging at 2.25 volts per cell will maintain full capacity with minimal water loss. Lower float voltage levels may be used but must be complemented with regular freshening charges. A simple hydrometer reading indicates the state of charge. A fully charged cell will have a specific gravity in the range 1.205 to 1.215 at 15°C. Capacity Recharge The capacity which can be taken from a cell varies with the discharge rate as indicated in the capacity tables. Capacity is also affected by temperature. A YHP 11 cell discharged at the 1 hour rate (300 amperes for 1 hour) will require a minimum of 300 +11%, i.e. 333 ampere hours recharge. At the finishing rate of charge (7% C10 amperes) this will take 91/2 hours. Trickle Charge Trickle charging is a method of keeping the cells in a fully charged condition by passing a small current through them. The correct trickle charge current is that which neither allows the cell to gas nor the gravity to fall over a period of time. It is normally in the region of 1 milliampere per ampere hour of the 10 hour capacity for YAP cells, and 0.3 x capacity at the 10 hour rate + 70 milliamperes for YCP and YHP cells. With this small current flowing, the cell voltage will be approximately 2.25 volts. www.enersys.com It is possible to recharge in a shorter time by starting the charge at the ‘starting rate’ (14% C10 amperes) but this should be reduced to the finishing rate of charge when the voltage per cell reaches 2.3 volts. On recharge, the voltage increases as the charge proceeds. The highest voltage reached with the finishing rate of charge flowing is approximately 2.70 volts per cell. It is possible to recharge a cell by limiting the voltage of the charging equipment to a lower value than 2.70 volts per cell, 2.4 volts per cell being the minimum recommended value. This will result in an extended recharge period, as the battery will automatically limit the charge current irrespective of the charger output. Publication No: EN-PL-RS-002 - May 2004 Battery Accommodation By following the guidelines hereafter, the user can readily calculate the space required by the various standard range of steel stand options to make best use of the accommodation available. YAP 5 (F) YAP 9 (F) YAP 13, 17, 21 (E) YCP 9 (F) YCP 11, 13, (F) YCP 17, 21 (E) YCP 25, 27, 29 33, 35 (E) Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Cell centres Width of stand Height over cells Overall height required (min.) 12 cells Length of stand 24 cells 55 cells Double Tier Double Tier Single Row Double Row 83 320 1200 1360 525 1020 121 320 1200 1360 750 1480 140 320 1200 1360 865 1710 140 320 1370 1620 865 1710 178 320 1370 1620 1095 2165 209 320 1370 1620 1270 2540 209 430 1370 1620 1270 2540 - 83 615 1300 1460 525 1190 121 615 1300 1460 750 1720 140 615 1300 1460 865 1990 140 615 1470 1720 865 1990 178 615 1470 1720 1095 2510 209 615 1470 1720 1270 2960 209 835 1470 1720 1270 2960 Stand Dimensions for YHP Range YHP 11, 13 (F) YHP 15, 17, 19 (F) YHP 21, 23 (E) YHP 25, 27, 29 (E) YHP 31, 33, 35 (E) YHP 37, 39, 41 (E) Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Cell centres Width of stand Height over cells Overall height required (min.) 6 cells Length of stand 12 cells Layout for YAP/YCP Ranges Typical edge to edge arrangement Typical face to face arrangement Layout for YHP Range Typical edge to edge arrangement Typical face to face arrangement Contact: www.enersys.com 255 340 880 1130 1550 3080 330 340 880 1130 2000 394 360 880 1130 2375 394 435 880 1130 2375 394 510 880 1130 2375 394 585 880 1130 2375 - 255 760 980 1230 790 1550 330 760 980 1230 1015 2000 394 760 980 1230 1210 2375 394 920 980 1230 1210 2375 394 1070 980 1230 1210 2375 394 1220 980 1230 1210 2375 Notes: The suffixes 'E' and 'F' refer to the layout of the cells on the stand: • the suffix 'E' signifies that the cells are arranged with the plates edge to edge • the suffix 'F' signifies that they are arranged with the plates face to face Calculating other lengths of stands: - For Double tier single row length = C x N/2 + 25mm - For Double tier double row length = C x N/4 + 25mm, where C = cell centre and N = number of cells If N/2 or N/4 contains a fraction, increase to next whole number. Global Headquarters P.O. Box 14145 Reading, PA 19612-4145 USA Tel: +1-610-208-1991 +1-800-538-3627 Fax: +1-610-372-8613 Single Tier Single Tier Single Row Double Row EnerSys EMEA Brussels, Belgium Tel: +32 (0)2 247 94 47 EnerSys Asia Guangdong, China Tel: +86-755-2689 3639 EnerSys Limited Rake Lane, Clifton Junction, Swinton, Manchester M27 8LR, UK Tel: +44 (0)161 794 4611 Fax: +44 (0)161 727 3809 Publication No: EN-PL-RS-002 - May 2004 - Subject to revisions without prior notice Stand Dimensions for YAP/YCP Ranges