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5.10.5 Clamping connection plates onto the batteries
There are a total of 11 different types of connection plates (see
Fig. 5–16
). Connection plates are always used when wires must be connected to cells with multiple battery terminals.
Attention!
We strongly recommend that you use original HOPPECKE connection plates when connecting wires to cells with multiple battery terminal pairs. Using other solutions may lead to overheating, risk of fire and increased electrical contact resistance.
Installation of standard connection plates
1. Screw the connection brackets onto the end terminals of the battery (see
Fig. 5–18 ).
Fig. 5–18:
Installing the end terminals
(connection plates)
Make sure that you do not cause mechanical damage to the terminals.
Attention!
2. First attach the screws by hand only so that you can make final adjustments to the cells, connection brackets and connection plates.
3. Fix the connection plate to the connection bracket of the battery with a torque of 20Nm
4. Afterwards tighten the pole screws using a torque wrench. The recommended torque is 20 Nm ± 1 Nm. Exception: 3 OSP.HC 105 with max. torque of 15 Nm.
It is very important to tighten screws thoroughly as a loose connection can become very hot and result in ignition or explosion.
Attention!
5.11 Connect the battery system to the DC power supply
Make sure that all installation work has been performed properly before connecting the battery system to the charging rectifier or UPS.
Attention!
1. Measure the total voltage (target value = sum of open-circuit voltages of the individual cells or monobloc batteries).
2. If necessary: label the cells or monobloc batteries visibly with continuous numbers (from the positive terminal to the negative terminal of the battery). HOPPECKE includes number stickers in your shipment.
3. Attach polarity labels for the battery connections.
4. Complete the identification plate in this documentation (see Chap. 1.2
).
5. Attach safety marking signs (these include: “Danger: batteries”, “Smoking prohibited” and, for battery voltages >60 V, “Dangerous voltage”). Attach further marking signs according to local requirements.
6. Attach the safety notices (see Chap. 0 ).
7. If necessary: Clean the batteries, the racks and the installation room.
Never clean batteries using feather dusters or dry towels.
Danger of electrostatic charging and gas explosion. We recommend cleaning the batteries using damp cotton cloths or paper towels.
Danger!
Installation, commissioning and operating instructions for vented stationary lead-acid batteries
7140203152 V1.1 (02.2014)
35
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Table of contents
- 5 General information
- 7 Safety instructions for working with lead-acid batteries
- 11 Safety precautions
- 11 Technical Data
- 11 1.2.1 Example for single cell
- 12 1.2.2 Identification plate battery
- 12 CE-Mark
- 12 Disposal and recycling
- 12 Service
- 13 General
- 14 Personal safety equipment, protective clothing, equipment
- 14 Safety precautions
- 14 2.3.1 Sulfuric acid
- 15 2.3.2 Explosive gases
- 15 2.3.3 Electrostatic discharge
- 16 2.3.4 Electric shock and burns
- 18 General
- 18 Delivery completeness and externally visible damage
- 18 Defects
- 19 General
- 19 Storage time
- 19 Preparing for a several-months storage period
- 20 Demands on the erection site
- 22 5.1.1 Calculation of safety distance
- 23 Filling the cells
- 23 5.2.1 Check
- 23 5.2.1.1 Ventilation – preventing explosions
- 24 5.2.1.2 Ventilation – calculation for ventilation requirements of battery rooms
- 25 5.2.2 Filling the cells
- 25 5.2.3 Idle Time
- 26 Conducting an open-circuit voltage measurement
- 26 Installation tools and equipment
- 27 Rack Installation
- 28 Cabinet installation
- 29 Handling the batteries
- 31 General information on connecting the batteries
- 31 Putting the cells/blocks into the racks
- 33 Connecting the batteries
- 33 5.10.1 Connection terminals
- 33 5.10.2 Type of connection cable
- 34 5.10.3 Clamping batteries using battery connectors
- 34 5.10.4 Installing the screwed connectors
- 35 5.10.5 Clamping connection plates onto the batteries
- 35 5.11 Connect the battery system to the DC power supply
- 36 5.12 Commissioning charge (initial charge)
- 36 5.12.1 Commissioning charge with constant voltage (IU characteristic curve)
- 37 (W characteristic curve)
- 37 5.12.3 Extended commissioning charge
- 37 5.13 Electrolyte level check
- 37 5.14 Electrolyte density adjustment
- 38 Discharging
- 38 Charging – general
- 40 6.2.1 Standby parallel operation
- 41 6.2.2 Floating operation
- 41 6.2.3 Switch mode operation (charge/discharge operation)
- 42 6.2.4 Float charging
- 42 6.2.5 Equalizing charge (correction charge)
- 43 General charging characteristic
- 43 General hints for battery charging in solar or off-grid applications
- 44 Standard charge procedures
- 44 Equalizing charge
- 45 Charging procedure for cyclic applications
- 46 Charging currents
- 46 Alternating currents
- 46 Water consumption
- 47 Temperature influence on battery performance and lifetime
- 47 7.9.1 Temperature influence on battery capacity
- 47 7.9.2 Temperature influence on battery lifetime
- 48 7.10 Influence of cycling on battery behavior
- 48 7.10.1 Cycle life time depending on depth of discharge (DoD)
- 48 7.10.2 Cycle life time depending on ambient temperature
- 49 7.10.3 Electrolyte freezing point depending on depth of discharge (DoD)
- 50 7.11 Remarks to warranty management
- 50 7.12 Recharge-time diagrams
- 52 Work to be performed every six months
- 52 Work to be performed annually
- 52 Cleaning of batteries
- 53 Performing the capacity test (short form)
- 54 Performing the capacity test (extended version)
- 56 Capacity test of the battery