Page 622 - Battery Reference Book

Nickel-cadmium secondary batteries 51/53
Table 51.59 Electrical performance data for McGraw Edison high-rate large vented nickel-cadmium batteries, HED series

Cell type Nominal Discharge current (A) to 0.65 V at 25°C Discharge current (A) to 0.85 V at 25°C
capacity ~
(Ah) 90s 60s 30s 10s 5s Is 90s 60s 30s 10s 5s Is
HED-10 10 123 137 157 181 196 23 1 88 98 111 127 138 163
HED-15 15 185 206 236 27 1 294 346 132 147 167 191 207 245
HED-20 20 217 238 267 313 335 378 155 168 188 220 234 267
HED-25 25 27 1 298 333 392 417 472 193 210 235 275 293 333
HED-30 30 325 358 400 470 500 567 232 252 282 330 352 400
HED-40 40 442 459 493 546 579 661 309 320 344 380 408 470
BED-46 46 510 530 570 629 666 757 354 371 398 441 47 1 535
HED-53 53 587 610 655 725 768 864 408 425 457 507 542 615
HED-60 60 660 685 736 815 864 97 1 458 478 514 570 609 692
HED-70 70 732 810 900 1015 1102 1230 525 570 638 720 775 87 1
WED-80 80 813 a99 999 1132 1223 1365 586 633 708 800 860 967
HED-90 90 905 990 1095 1261 1365 1520 660 699 771 892 965 1072
HED-100 lQ0 1010 1075 1215 1350 1435 1610 715 765 860 960 1015 1150
HED-110 110 1115 1185 1340 1485 1575 1770 790 845 945 1050 1110 1250
HED-120 120 1215 1290 1460 1620 1715 1930 860 920 030 1145 1210 1365
HED-130 130 1375 1515 1705 1890 2010 2290 990 1070 195 1325 1415 1615
HED-140 140 1440 1590 1825 2020 2150 2450 1030 1120 280 1420 1515 1730
HED- 1 50 150 1540 1690 1900 2125 2270 2600 1090 1195 355 1510 1610 1835
HED- 160 160 1610 1x10 2040 2270 2420 2770 1150 1280 1440 1600 1710 1960
HED- I70 170 1710 1880 21 10 2370 2530 2900 1220 1330 1.500 1670 1780 2050
NED- 180 180 1810 1980 2230 2500 2670 3060 1290 1410 1590 1770 1890 2170

blocks. and in open wooden crates. Types T and TP a nickel-plated sheet steel case and are delivered in
are universally designed for discharges, i.e. for power open wooden crates (from 73 to 420 Ah) and as single
supplies, from more than 10 h down to short time dis- cells (from 500 to 1390Ah).
charges of 1 h with a favourable voltage performance. The 11 -35.5 Ah storage batteries, series HKP, have
They can be used excellently for charge/discharge a transparent plastic cell case, which makes it pos-
operation, switch-tripping operation and standby paral- sible to control the electrolyte level from outside.
lel operation as well as for stabilizing operation. They They are available as compact blocks, portable blocks
can be charged with high charging currents within a and in open wooden crates. Alternatively they can be
short period of time. At low temperatures they provide delivered in enclosed wooden crates or in steel con-
favourable capacity characteristics. Deep discharges tainers. Types HK and HKP are universally designed
have no effect on the capacity. for discharges, i.e. for power supplies, from more
than IO h down to short-time discharges of 1 h with a
Types HK and HKP Discharge data on types T and favourable voltage performance. They can be used for
TP are given in Table 51.60. Types HK and HKP charge/discharge operation, switch-tripping operation
are storage batteries with pocket-type electrodes. The and standby parallel operation as well as for stabiliz-
series HK storage batteries from 73 to 1390Ah have ing operation. They can be charged with high charging
currents within a short period of time. Even at low tem-
peratures they provide favourable capacity character-
'1.3 t; istics. Deep discharges have no effect on the capacity.
Discharge data on types HK and HKP are given in
I 1.2
> Table 51.61.
- 1.1
cn,
- Types TS and TSP These are high-rate storage batter-
8 1.0
-
- ies fitted with pocket-type electrodes and are specially
g 0.9
8 0.8 designed for high-rate and impulse discharge. The stor-
0.7 age batteries of series TS from 150 to 650Ah have
a nickel-plated sheet steel case and are delivered in
10 20 30 40 50 60 open wooden crates (from 150 to 275Ah) and as
Discharge period (mid single cells (from 300 to 650Ah). The 7.5-23SAh
storage batteries, series TSP, have a transparent plas-
Figure 51.33 Schematic comparison between (a) T/TP and tic cell case which makes it possible to control the
(b) TSnSP cells; >voltage-time characteristics when discharged
with 5 x /5 = IC electrolyte level from outside. They are available as