15
16
7
.Power on for battery module
■
When installation is accomplished, battery module is in dormant state.
Take on of the Key Switch,
battery will go into normal running status, and discharge/charge
can be available.
■
Parameter settings for lithium battery modules in power plant are shown in Table 3-1.
■
After the battery is turned on, you need to pull out the key and close the key switch protective
cover to ensure that the IP protection level of the battery is IP65, and keep the key properly to
avoid the loss of the key and the battery cannot be turned off and on.
5.RS485 communication connection
■
Connect the battery to the device/PC through the communication cable provided by Narada. The
cable has an anti-misconnection setting.
■
If there is only one battery module in operation, communication between battery module and
computer can available through RS485.
■
If there are more than one battery modules in operation, parallel communication can be available
using RS485.
■
Communication protocols for RS485 are shown in Annex 3.
6.Discharge with dummy load
■
Dummy load cannot be larger maximum discharge current of
FEN4850 battery
according to the
datasheet, and BLVD is larger than 43.2V.
■
Voltage drop on cable between battery module and power plant shall be less than 0.5V . Method
of
calculation for cross sectional area of cable is shown as below.
A=ΣI×L/(K×
△
U)
In the above formula, A is across sectional area of wire (mm2), ΣI is the total current (A), L is length
of cable,
△
U is the permit voltage drop on cable (V), and K is electrical conductivity of wire. For
example, for copper, K = 57.
6
.Battery output connection
■
Connect the battery and the device busbar through the power cable provided by Narada, and the
cable has an anti-misconnection setting.
■
The red of the power cable is the positive, and the black is the negative.(See Annex 3)
■
If multi battery modules will be connected in parallel, please take note of follows:
1)
The battery modules connected no more than 8 in parallel.
2)
Connect ‘+’ of battery output of each battery module with positive copper bar of power
plant, and ‘-’ with negative copper bar of power plant or power switch separately.
3)
Length of cable between battery module and power plant shall be less than 2.0m. To make
sure similar voltage drop of cable for each battery, length of all positive and negative cables
should be the same.
4
.Ground connection
Connect earth by flexible cable above GREEN Sheathed, UL94-V0, gauge of the grounding wire
should be equal to or greater than the gauge of the battery return wire, .no less than 6AWG,
The FEN4850 battery has 2 grounding bolts (M6).
