Overcharge Protection Circuits: Distribution Panels - Panasonic BP-5917C40 Technical Handbook

11. OVERCHARGE PROTECTION CIRCUITS: DISTRIBUTION PANELS

Suitable for highly reliable power supplies
11.1. General Information
The "overcharge protection units" consists only of
overcharge protection circuits configured as a unit.
Being relatively low-cost, the unit is ideal for systems
which do not require testing.
These distribution panels distribute the power generated
by solar modules to storage batteries and loads. The
measuring circuitry provided makes it possible to test
the output current, output voltage, storage battery
voltage and load current of the solar modules. The
panels are also provided with overcharge prevention
circuits to protect the storage batteries from
overcharging.
11.3 Specifications
Overcharge protection unit
Model No. Storage battery used
BP-H3CCUL
Lead storage battery *
Alkaline storage battery
BP-H10CCUL
Discharge protection unit
Type of Battery
Model No.
Used
BP-CD10A12V Lead storage battery
Measurement Items and meter full-scale levels
Model No. Solar modules
output current (A)
BP-H3RCL 3
BP-H10RCL 10
Panasonic
Operating
voltage (V)
14.5 15.5
Overcharge Overcharge
Protection Protection
Circuit Circuit
Operating Restore
Voltage (V) Voltage (V)
14.5 13.5
Measurement items and meter full-scale levels
Solar modules
Load
output voltage
current (A)
(V)
30 10
30 30
* The suffix "L" is eliminated from model numbers when lead storage batteries aren't used for
distribution panels equipped with an overcharge protection circuit or for overcharge protection
units.
Solar Cells Handbook, Page 35
11.2 Features
• Excellent reliability.
• Low current consumption.
• Lightweight
• Easy wiring and operation
Return voltage Maximum allowable
(V) input current
13.5 14.5
Overdischarge Overdischarge
Protection Protection
Circuit Circuit
Operating Restore
Voltage (V) Voltage (V)
10.8 12.8
Storage
Awaited
battery
current (mA)
voltage (V)
60 30
600 30
External view and
parts diagram No.
3 7
10 8
Maximum
External View
Allowable
and Parts
Input
Diagram No.
Current (A)
10 9
Maximum
External view
allowable
and parts
input
diagram No.
current
3 10
10 11
August 1998