Page 522 - Battery Reference Book

Standby power batteries 50/1 I
Table 50.8 Super high-performance Plante type lead-acid standby batteries available from Chloride Industrial Batteries

Type YCP-H 13H 17H 23H 2 7H 31H 41H
Capacity at 15°C (Ah) 10h
to 1.85V 150 200 275 325 375 500
Charge current (A)
Starting 20 28 38 45 52 70
Finishing 10 14 19 22 26 35
Weight (kg)
Dry 16.7 20.9 28.1 32.7 38.8 51.4
Filled 21.7 27.5 36.0 42.3 50.2 66.1
Volume of electrolyte (rekitive
density 1.240) (likes) 3.2 5.3 6.4 7.7 9.2 11.8
External box din- ensions (mm)
Length 134 172 210 248 286 362
Width 203 203 203 203 203 203
Height 349 349 349 349 349 349
Overall height (mm) 423 423 423 423 423 423

To calculate length of stands: double tiedsingle row = C x N/2 + 50m, double tieddouble row = C x N/4 + 50mm, where C = cell centre
and N = cell numbers
and 1125 Ah (low maintenance, Table 50.10) are The lead oxide used in the plates is made finer,
available. Trickle and float charging methods are producing a greater surface area with improved
used as with the Plant6 types. A feature of both material utilization, giving higher ampere hour
the vented and low-maintenance ranges is that a capacity per plate.
new plate alloy incorporating selenium is used in The low maintenance SAP, SBP and SEP ranges, in
their manufacture. This new patented low-antimonial addition to being suitable for high-rate applications,
lead- selenium alloy has a substantially reduced are also suitable for low-rate applications such as
antimony content, which reduces antimony migration SP telecommunications, where a low-maintenance
and extends the battery life. The fine grain structure standby power battery is required.
and strength of the alloy are maintained by the Uninterrupted power supply (UPS) systems are
introduction of selenium to reduce intergranular becoming employed increasingly with sophisticated
corrosion. computer and telecommunications equipment. Many
kinds of batteries are available as standby within such
systems, and the choice depends on the requirements
in each case.
The SP range has been developed to meet the
following specifications:
1. Flat plate design.
2. Life expectation of 10 years.
3. Minimum maintenance.
4. Transparent container for ease of inspection.
5. Good high-rate discharge characteristic.
,. 0 2 4 6 8 10 12 14
6. High reliability.
7. Low floor area.
8. Minimum initial cost.
I -
New separator technology has been incorporated
into these flat-plate cells. The vented types incorporate
separation between adjacent plates consisting of a
1.71 I I I I glass wool mat and ribbed microporous PVC. The
0 1 2 3 4 5 6 7 8 9 10 glass wool mats are fitted against the positive plates
(b) Time (h) and act as an effective retainer of the posifve active
material. The low-resistance sepaators, which are inert
Figure 50.4 High-performance Plante-type lead-acid standby chemically and have a high degree of porosity, provide
batteries available from Chloride Industrial Batteries. (a) Typical a complete diaphragm between the plates but allow
recharge characteristics following discharge at the 3 h rate.
(b) Discharge voltage characteristics at 15°C (Courtesy of Chloride good circulation of the electrolyte and give mechanical
Batteries) support to the negative active material.