BBS 6102 Description
DESCRIPTION
3/1551-LZA 701 6009 Uen C
Copyright
© Ericsson AB 2010. All rights reserved. No part of this document may be
reproduced in any form without the written permission of the copyright owner.
Disclaimer
The contents of this document are subject to revision without notice due to
continued progress in methodology, design and manufacturing. Ericsson shall
have no liability for any error or damage of any kind resulting from the use
of this document.
Trademark List
All trademarks mentioned herein are the property
of their respective owners. These are shown in the
document Trademark Information.
3/1551-LZA 701 6009 Uen C | 2010-10-06
Contents
Contents
1
Documentation Information
1
1.1
Target Group
1
2
General Descriptions
3
2.1
Basic BBS 6102 Characteristics
3
2.2
BBS 6102 Overview
3
3
General Information
7
3.1
Product Versions
7
3.2
Safety Approval
8
3.3
Repair
9
3.4
Approved Battery Types
9
3.5
Supervision
10
3.6
Space Requirements
10
4
Dimensions
13
4.1
Physical Dimensions
13
4.2
Color
16
4.3
Weight
16
4.4
Locking System
16
5
Climate System
19
5.1
General
19
5.2
Temperature Sustainability
19
5.3
Power Supply
21
5.4
Climate System Power Consumption
21
5.5
Cooling System Self-Check
22
6
Environment
23
6.1
Temperature and Humidity
23
6.2
Sealing
23
6.3
Vibration and Shock
23
7
Power System
25
7.1
Battery Capacity
25
7.2
Operating Configuration
25
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BBS 6102 Description
7.3
Electrical Interfaces
28
7.4
Charging and Discharging Characteristics
29
7.5
EMC
29
Glossary
31
Reference List
33
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Documentation Information
1
Documentation Information
This document describes function and performance of the Battery Backup
System BBS 6102.
1.1
Target Group
The target groups for these instructions are the personnel involved in the site
installation engineering process and those responsible for the installation,
integration, and maintenance of Radio Base Station (RBS) sites.
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1
BBS 6102 Description
2
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General Descriptions
2
General Descriptions
2.1
Basic BBS 6102 Characteristics
The BBS 6102 is an outdoor battery backup system, supplying 048 V DC
backup power to AC-powered RBS 6102 and RBS 6101 in the event of AC
mains failure. The BBS 6102 cabinet can support up to three RBS cabinets.
BBS 6102 is installed on the ground, in the vicinity of the RBS cabinets.
To ensure proper battery capacity, long battery life and low operational cost,
the BBS features two alternative cooling systems: the Direct Air Cooling Unit or
the Active Cooling Unit.
The Direct Air Cooling Unit brings in cooler exterior air through a filter and
moves hot interior air out of the enclosure. The Active Cooling Unit is an air
conditioning system for warmer climate to keep the batteries cool.
The cabinet can be also equipped with an optional Heater to allow operation
of the cabinet in very cold climates.
If additional battery capacity is required, the BBS 6102 can be extended with
another BBS 6102.
Four versions of the BBS cabinet are available, depending on the battery type,
Absorbent Glass Mat (AGM) or tubular plate (OPzV) batteries, and earthquake
resistance.
2.2
BBS 6102 Overview
Four possible BBS 6102 types of cabinets are available, depending on the
battery type used, as shown in Table 1.
Table 1
BBS Cabinet Types
BBS Cabinet Type
Explanation
BBS 6102 EQ 4 Cabinet, AGM
Racks for AGM batteries, certified for
earthquake zone 4
BBS 6102 EQ 4 Cabinet, OPzV
Racks for OPzV batteries, certified
for earthquake zone 4
BBS 6102 Non-EQ Cabinet, AGM
Racks for AGM batteries, non
earthquake certification
BBS 6102 Non-EQ Cabinet, OPzV
Racks for OPzV batteries, non
earthquake certification
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3
BBS 6102 Description
Figure 1 and Table 2 show the main contents of the AGM batteries cabinets.
Figure 1
Table 2
BBS 6102 Main Contents – AGM Batteries
BBS 6102 Main Contents – AGM Batteries
Pos.
Description
A
Circuit breaker box front panel
B
Cooling system fuse
C
Battery belt
D
Earthquake protection
E
BBS cabinet frame
F
Removable dummy plate for cable entry
G
Battery clamp
H
Roxtec cable entry
I
Heater
J
Condensed water outlet
K
Front door
L
Battery block AGM
M
Direct Air Cooling Unit or Active Cooling Unit
N
Climate system controller
Figure 2 and Table 3 show the main contents of the OPzV batteries cabinets.
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General Descriptions
0 OPzV Batteries
Figure 2
BBS 6102 Main Contents
Table 3
BBS 6102 Main Contents – OPzV Batteries
Pos.
Description
A
Circuit breaker box front panel
B
Cooling system fuse
C
Battery clamp
D
Earthquake protection
E
BBS cabinet frame
F
Removable dummy plate for cable entry
G
Roxtec cable entry
H
Heater
I
Condensed water outlet
J
Front door
K
Battery block OPzV
L
Direct Air Cooling Unit or Active Cooling Unit
M
Climate system controller
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5
BBS 6102 Description
6
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General Information
3
General Information
3.1
Product Versions
3.1.1
RBS Support
The BBS 6102 supports up to three RBS cabinets with 048 V DC operational
voltage.
3.1.2
Climate Options
To accommodate different climate requirements, the BBS is available with
the following solutions:
3.1.3
•
The Direct Air Cooling Unit, that moves interior air to cooler exterior air
•
The Active Cooling Unit, that cools the interior air and distributes the air
inside the cabinet. The battery compartment is sealed from the outside air
•
Together with the Direct Air Cooling Unit or the Active Cooling Unit the
cabinet can also be equipped with a Heater to allow operation of the cabinet
in very cold climates
Standard Configuration
The BBS cabinet has the following standard configuration:
3.1.4
•
The battery cables for one battery string
•
One output to the RBS with the 150 A circuit breaker
•
Cooling system power cable
•
Cable entry, up to 32 cables
•
Eight battery belts (delivered only with AGM battery racks).
Upgrade Options
The cabinet can be upgraded according toTable 4.
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BBS 6102 Description
Table 4
Upgrade Options
Option
Description
Direct Air Cooling Unit or Active
Cooling Unit
The Direct Air Cooling Unit moves
interior air to cooler exterior air.
The Active Cooling Unit cools the
interior air and distributes the air
inside the cabinet.
See Section 3.1.2 on page 7.
Heater
The Heater allows operation of the
cabinet in very cold climates.
Battery cable kit, string 2
The battery kit allows to attach battery
string 2
Battery cable kit, string 3
The battery kit allows to attach battery
string 3
Battery cable kit, string 4
The battery kit allows to attach battery
string 4
Battery cable kit, string 5
The battery kit allows to attach battery
string 5
Battery cable kit, string 6
The battery kit allows to attach battery
string 6
150 A circuit breaker kit, second RBS The circuit breaker allows to attach
second RBS cabinet
3.2
150 A circuit breaker kit, third RBS
The circuit breaker allows to attach
third RBS cabinet
250 A circuit breaker kit, extension
BBS
The circuit breaker allows to attach
additional BBS cabinet
Safety Approval
The BBS 6102 complies with the following safety standards:
Europe
8
•
EN 60950-1
•
EN 60529
•
EN 60950-22
•
EN 60335-1
•
EN 60335-2-40
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General Information
North America
•
UL 60950-1
•
CSA-C22.2 No. 60950-1-07
•
UL 60950-22
•
CSA-C22.2 No. 60950-22-07
•
UL 50
•
CSA C22.2 No. 94-M91
International
3.3
•
IEC 60950-1
•
IEC 60529
•
IEC 60950-22
•
IEC 60335-1
•
IEC 60335-2-40
Repair
Available components are defined by the spare parts list for the BBS 6102; see
document BBS 6102 Maintenance.
3.4
Approved Battery Types
The specified performance and warranties stipulate the use of batteries that
have been approved for the BBS 6102. See document Battery Guidelines
1/15443-LZA 701 6009.
Table 5 shows the approved battery types for BBS 6102.
Table 5
BBS 6102 Approved Battery Types and BBS 6102 Battery Capacity
Battery Type
Battery Capacit
y [Ah]
Max. No. of
Strings
Max. Capacity [Ah]
NorthStar NSB
170 FT (AGM)
170
6
1020
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BBS 6102 Description
140
6
840
BAE Secura OPzV 650
650
1
650
Northstar NSB
(1)
170 Blue (AGM)
(1) High-cyclic batteries.
3.5
Supervision
In the BBS the following units are supervised and raise an alarm:
•
Door
•
The Direct Air Cooling Unit or Active Cooling Unit
In the air cooling units the parameters shown in Table 6 are supervised.
Table 6
Supervision of Direct Air Cooling and Active Cooling Units
Direct Air Cooling Unit
Active Cooling Unit
Battery voltage
Battery voltage
Battery compartment temperature
Battery compartment temperature
Fan speed (single fan system)
Fan speed, both internal and external
fans
Climate System Controller
Climate System Controller
Heater
Heater
Temperature Sensors
Temperature Sensors
Battery charge and discharge characteristics are defined and controlled by the
RBS control system.
3.6
Space Requirements
Figure 3 and Table 7 show the space requirements for the BBS.
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General Information
Figure 3
Note:
Table 7
Space Requirements
In the figure above Z4 RACK means BBS cabinet types for earthquake
zone 4. See also Table 7.
Space Requirements
(1)
(2)
Distance from:
EQ 4
Front
≥700 mm
≥700 mm
Sides
≥75 mm to wall and 150
mm to adjacent cabinet
≥50 mm to wall and 100
mm to adjacent cabinet
Back
≥200 mm to wall and
400 mm when placed
back to back
≥200 mm to wall and
400 mm when placed
back to back
Top
≥500 mm
≥500 mm
Non-EQ
(1) BBS cabinet types for earthquake zone 4
(2) BBS cabinet types not certified for earthquake zones
The maximum distance required to other cabinets are:
•
10 m to a RBS cabinet
•
3 m to a second BBS cabinet
Floor Requirements
The floor must be level and fulfill the requirements shown in Table 8.
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BBS 6102 Description
Table 8
Floor Requirements
Parameter
Requirements
Max deviation
±3 mm per 2 m
Max gradient
±0.5
Footprint
Figure 4 shows the BBS footprint.
Figure 4
12
BBS Drilling Pattern
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Dimensions
4
Dimensions
4.1
Physical Dimensions
4.1.1
Cabinet Dimensions
The figure below and Table 9 show the size of the BBS.
Figure 5
Table 9
BBS Size
BBS Size
BBS without door
Height
Width
Depth
1450 mm
1300 mm
800 mm
BBS with door
4.1.2
831 mm
Cable Interface Panels
Bottom and Side Panel Interfaces
The BBS 6102 is equipped with one cable entry at the bottom left-hand side
of the cabinet, which can be moved to the right or left side of the cabinet by
removing one of the dummy plates, see Figure 6 and Figure 7.
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BBS 6102 Description
Figure 6
Cable Entry (Bottom View)
Figure 7
Dummy Plate on BBS Side
Recommended Cable Dimensions
The cable terminals of the BBS 6102 are designed for the following cable
dimensions:
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Dimensions
Table 10
Cable Dimensions
Connections
Cable Cross-section
Area
Maximum Cable
Length
DC output to RBS
1 pair × 50 mm²
<10 m
1 pair × 70 mm²
10–15 m
DC input from BBS
extension cabinet
1 pair × 95 mm²
<6 m
Earth grounding cable
1 × 35 mm²
Note:
Maximum allowed distance between the RBS and BBS is 10 meters
and between the main and extension BBS is 3 meters, but cable length
has to include also the internal routing distance.
Cable Entry
There is one configuration of cable entry (32/16 Roxtec). See figure below
and Table 11.
Figure 8
Cable Entry
Table 11
Configuration of Cable Entry
Cable Entry
Configuration
Cable Quantity (max.) and Size
1
32/16
8 cables Ø 3.5–16.5 mm (20w40)
8 cables Ø 10–25 mm (30w40)
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BBS 6102 Description
4.2
Color
The color of the cabinet is gray.
4.3
Weight
BBS 6102 without Batteries
Table 12 shows the weight of cabinets without batteries and of climate
components that are used.
Table 12
Weight of BBS Cabinets and Components
Product
Weight
BBS 6102 EQ 4 Cabinet, AGM
233 kg
BBS 6102 EQ 4 Cabinet, OPzV
276 kg
BBS 6102 Non-EQ Cabinet, AGM
179 kg
BBS 6102 Non-EQ Cabinet, OPzV
202 kg
Direct air cooling cassette
12 kg
Active cooling cassette
16 kg
Heater
2 kg
Batteries
Table 13 shows the maximum weight of the available battery configurations.
Table 13
Maximum Battery Weight
Battery Type
Total Weight
Northstar NSB 170 FT (AGM)
Northstar NSB 170 Blue (AGM)
BAE Secura OPzV 650
1430 kg
(1)
1350 kg
1280 kg
(1) High-cyclic batteries.
4.4
Locking System
The BBS 6102 can be equipped with one security lock with two identical keys.
The same key system is used as in Ericsson's outdoor macro radio base
stations. Thus, the same key system lock options are available also for this
BBS 6102.
Once the lock has been opened or in case no security lock has been installed,
the BBS front cover is opened via the standard Ericsson lock handle. This lock
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Dimensions
handle is the same handle that is used to open the RBS 6102 and many other
Ericsson macro RBS and site cabinets.
For more information on lock alternatives, contact your local Ericsson
representative.
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BBS 6102 Description
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Climate System
5
Climate System
5.1
General
The BBS features two alternative cooling systems:
•
Direct air cooling, featuring fan ventilation, for best performance in
geographic areas with moderate temperature.
•
Active cooling, for maximum battery life in warm climates
The cooling systems are designed as plug-in cassettes.
The cabinet can be equipped with an optional Heater kit, which is installed at
site.
5.2
Temperature Sustainability
Minor inner temperature deviations may occur, depending on solar radiation
and the exact point of measurement inside the compartments.
5.2.1
Direct Air Cooling Thermal Performance
The Direct Air Cooling Unit features a fan and an IP55 class filter with the
following performance:
•
Filter class F5
•
Air flow: 200 m³/h
•
Initial Pressure Drop: 10–20 Pa
The filter must be changed regularly, see BBS 6102 Maintenance.
Table 14 describes the performance of the Direct Air Cooling Unit.
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BBS 6102 Description
Table 14
Direct Air Cooling Performance
Description
Value
Cooling of batteries
The fan regulates the battery
compartment temperature to be
0 to 5C higher than the ambient
temperature, if
• Battery compartment temperature >
ambient temperature
• Ambient temperature >+15 C
Nominal ventilation airflow
(1)
200 m³/h
(1) Note that the Direct Air Cooling Unit does not create temperatures lower than the ambient
temperature
5.2.2
Active Cooling Thermal Performance
The Active Cooling Unit has a compressor module which separates the
interior climate from the exterior climate. It provides the batteries with a
room-temperature environment, which maximizes the battery life-time. The
Active Cooling Unit is recommended in areas with dusty or polluted air.
Table 15 describes the performance of the Active Cooling Unit.
Table 15
Active Cooling Performance Table
Description
Value
Cooling of batteries
The Active Cooling Unit maintains
a battery compartment temperature
of 22–30C in real climate scenarios
with peak ambient temperatures of
<+50C, while avoiding repetitive deep
discharging of the batteries.
The Active Cooling Unit starts to
cool when the battery compartment
temperature is ≥+26 C and stops
to cool when the battery reaches a
temperature of +22C.
Nominal ventilation airflow
5.2.3
200 m³/h
Battery Heater Performance
The battery heater performance is described in Table 16.
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Climate System
Table 16
Heater Performance
Description
Value
Heating of batteries
The Heater maintains the battery
compartment temperature ≥+10C at
an ambient temperature ≥ 033C.
The Heater starts at a battery
compartment temperature of ≤+8C
and stops at +12C.
5.3
Power Supply
The climate system and its control system is operating at 048 V DC power
supplied by the RBS. When AC power is lost, the system voltage drops and
the climate system controller stops the cooling and heating, to maximize the
battery backup time.
Climate system power supply voltage range:
Maximum voltage
Cooling or heating
disconnection voltage
Minimum allowed
voltage for the climate
system controller
5.4
060 V DC
049 V DC and 057.6 V DC
0 V DC
Climate System Power Consumption
Power consumption depends on the ambient temperature and how much the
cooling system is in operation.
During AC power failures, the cooling system is switched off to ensure
maximum battery backup time for connected RBSs.
The following tables specifies the power consumption of the climate system
units.
Table 17
Power Consumption, Direct Air Cooling
Operational Mode
Power Consumption
Startup
<20 W
Continuous operation
≤20 W
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BBS 6102 Description
Table 18
Power Consumption, Active Cooling
Operational Mode
Power Consumption
Startup
125 W
Continuous operation. Typical
ambient temperature: +30ºC
168 W
Continuous operation. Worst-case
ambient temperature:+50ºC
200 W
Table 19
5.5
Power Consumption, Heater
Operational Mode
Power Consumption
Startup
600 W
Continuous operation
600 W
Cooling System Self-Check
At power on, the climate control system performs a self-check routine of its
heater, cooler, fans, and associated control functions.
5.5.1
Indicators
Table 20 shows the operational status indications of the climate control system.
Table 20
22
Operational Status Indications
Indicator Status
Operational Mode
Green on
Power present
Yellow on
Direct Air Cooling Unit or Active Cooling Unit
in operation (flashing if an alarm; for more
information see document Installing BBS 6102.
It is valid for both Direct Air Cooling Unit and
Active Cooling Unit.
Red on
System failure
All off
No power available to Direct Air Cooling Unit
or Active Cooling Unit
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Environment
6
Environment
6.1
Temperature and Humidity
The environmental temperature and humidity limits for the BBS are specified
in Table 21.
Table 21
Environmental Capability
Product Version
BBS with Direct Air
Cooling
Ambient Climate
Temperature
Humidity
≤ According to the
recommended maximal
ambient temperature
for the specific battery
installed with respect to
optimal battery life and
(1)
performance
15–100 %
BBS with Active Cooling +5 C to +50 C
BBS with optional
Heater
≥
033
C
15–100 %
15–100 %
(1) Note that the Direct Air Cooling Unit does not create temperatures lower than ambient.
Note:
Anticipated climatic conditions, discharge characteristics and
desired remaining battery backup and life time have impact on the
recommendation’s relevance.
The BBS complies with the following standards:
6.2
•
ETSI EN 300 019-1-2 (Transport), 300 019-1-1 (Storage), and 300 019-1-4
(Operation)
•
IEC 60721-3-2 (Transport), 60721-3-1 (Storage), and 60721-3-4
(Operation)
Sealing
IP55, according to EN 60529/IEC 529.
6.3
Vibration and Shock
Provided that the BBS 6102 contains approved batteries, it complies with the
following requirements:
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BBS 6102 Description
24
•
IEC 60068-2-6, 60068-2-27, 60068-2-64
•
GR-63-CORE
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Power System
7
Power System
7.1
Battery Capacity
See Section 3.4 on page 9 for approved batteries and battery capacity.
7.2
Operating Configuration
Note:
Approved battery configurations connected to loads are listed in Table
22 and Table 23.
Minimum one battery string (four 12 V DC blocks) installed (or extension BBS)
per connected circuit breaker outlet and load (150 A circuit breaker, rated
continuously load 150 A).
AGM batteries
Table 22
Operating Configuration
Configuration
RBS
Number
Quantity
of Battery
Strings
Battery
Capacity
1
RBS 1
1 to 6 battery
strings
1020 Ah max. Extension
cabinet can
be connected
RBS 2
n/a
-
n/a
RBS 3
n/a
-
n/a
RBS 1
1 to 2 battery
strings
340 Ah
n/a
RBS 2
1 to 4 battery
strings
680 Ah.
Extension
cabinet can
be connected
RBS 3
n/a
-
n/a
RBS 1
1 to 2 battery
string
340 Ah
n/a
RBS 2
1 to 2 battery
string
340 Ah
n/a
RBS 3
1 to 2 battery
string
340 Ah
Extension
cabinet can
be connected
2
3
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Extension
Availability
25
BBS 6102 Description
For all configurations with more than two strings per circuit breaker, additional
circuit breakers must be assembled and connected with copper bridges.
OPzV Batteries
Required quantity on battery string (24 × 2 V DC blocks) installed per connected
150 A circuit breaker outlet.
Table 23
Operating Configuration
Configuration
RBS Nnumb
er
Quantity
of Battery
strings
Battery
Capacity
Extension
Availability
1
RBS 1
1 battery
string
650 Ah
Extension
cabinet
can be
connected
Each additional RBS upgrade must contain the additional circuit breaker as
well as a removable bridge.
Figure 9 shows the connection diagram for a
configuration.
26
048 V DC AGM battery
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Power System
048 V DC Connection Diagram with AGM Batteries
Figure 10 shows the connection diagram for a 048 V DC OPzV battery
Figure 9
configuration.
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BBS 6102 Description
Figure 10
7.3
28
048 V DC Connection Diagram with OPzV Batteries
Electrical Interfaces
DC Output to RBS load:
3 × 150 A
DC Input from Extension cabinet:
1 × 250 A
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Power System
CLU Alarm:
(1)
1 × 0.45 m, terminal block
Door alarm:
(1)
1 × 0.55 m, terminal block
Earth Grounding points; see Figure 11: 9 × M8
RBS temperature sensor cable:
1
(1) Normally closed. To be connected to the RBS external alarms input panel.
The earth grounding points of the BBS are shown in Figure 11.
Figure 11
7.4
Earth Grounding Points
Charging and Discharging Characteristics
Charging and discharging characteristics are defined and controlled by the
RBS control system. For more information, see Installing BBS 6102, Section
5 and relevant RBS documentation.
7.5
EMC
The BBS 6102 complies with the following EMC requirements:
•
ETSI EN 301 489-1
•
ETSI EN 301 489-8
•
ETSI EN 301 489-23
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BBS 6102 Description
30
•
ETSI EN 300 386
•
FCC part 15, subpart B
•
ICES-003 issue 4
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Glossary
Glossary
Kg
Kilogram
mm
Millimeter
AGM
Absorbent Glass Mat batteries
NEMA
National Electrical Manufacturers Association
Ah
Ampere hour
OPzV
Tubular plate batteries
BBS
Battery Backup System
RBS
Radio Base Station
CISPR
The International Special Committee on Radio
Interference
UL
Underwrites Laboratories (US Standard)
CLU
Climate Unit
CSA
Canadian Standards Association
V
Volt
W
Watt
DC
Direct Current
EC
European Commission
EMC
Electromagnetic Compatibility
EN
European Norms
ETSI
European Telecommunication Standard
Institute
FCC
Federal Communications Commission
IEC
International Electrical Commission
ITU-T
International Telecommunication Union Telecommunication Standardization Sector
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BBS 6102 Description
32
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Reference List
Reference List
[1]
Installing BBS 6102, 11/1553-LZA 701 6009
[2]
BBS 6102 Maintenance, 5/1541-LZA 701 6009
[3]
Battery Guidelines, 1/15443-LZA 701 6009
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