Download Document

1.
Turbine inlet valve
1.1
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------1.
General
2.
i)
Manufacturer
ii)
Place of manufacture
iii)
Type designation
Main data
i)
Maximum leakage from main
valve when fully closed against
rated head of 143 m (with
new seal).
a) Through seal
b) Maximum leakage from bypass
valve at rated head of 143 m
ii)
Maximum head loss through the
valve at a flow required for rated
turbine output at rated net head.
iii)
Maximum torque required to close
the valve with a flow corresponding to
iv)
a)
Rated turbine output at
rated net head.
b)
Specified turbine overload
output at rated net head.
Main dimensions of inlet valve
a)
Inside diameter
b)
Length of valve body (excluding
extension).
c)
Maximum distance from
horizontal centre line of
valve to lowest portion
assembly.
v)
Lowest factor of safety (referred to
design stress) for any hydraulically
loaded part of the valve.
vi
Valve operating oil pressure.
a)
Minimum
b)
Maximum
1
1.2
Other technical particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------1
Head loss through the valve at a
flow required for rated turbine
output.
i)
At net head of 143 m.
ii)
2
3
Servomotor
i)
Make
ii)
Nominal design oil pressure.
iii)
Active volume
iv)
Range of opening time.
v)
Range of closing time.
I)
Guaranteed closing time of
MIV at rated load and
rated head of 143 m.
ii)
Guaranteed closing time of
MIV at over load of (110 %) and
max. head of 161.447m
Guaranteed maximum
opening time at rated
head
iii)
iv)
4
5
At Gross head of 161.447 m
Guaranteed maximum
opening time at Max.head
Weight
i)
Weight of complete shut off valve.
ii)
Weight of complete oil pressure
unit with pump set equipment.
iii)
Estimated shipping weight of
valve.
iv)
Maximum weight of valve
assembly to be handled by
power house crane.
Dimensions
i)
Minimum floor opening required
for valve installation/ removal.
a)
Width
b)
Length
2
2.0
Runner
2.1.1
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------1
RUNNER
i)
Runner
ii)
Material
iii)
No. of blades
iv)
Runner diameter(throat)
v)
Inlet diameter
vi)
Weight
vii)
Dia. at centre line of distributor (D).
viii)
Blade angle at inlet & outlet.
ix)
Runner labyrinth
x)
xi)
2
a)
Material, standard, surface
hardness (BHN).
b)
Method of fixing and
removal of runner.
Details of hard abrasion coating on
a)
Blades
b)
Labyrinths.
Hydraulic flow velocity in turbine.
a)
Absolute at inlet.
b)
Peripheral at inlet.
c)
Relative at inlet.
d)
Absolute at outlet.
e)
Peripheral of outlet.
f)
Relative at outlet.
Centralised grease lubrication system.
i)
No. of pumps.
ii)
Type and make of pump.
iii)
Capacity of grease reservoir.
iv)
Rating of pump.
v)
Number of grease distributions.
vi)
No. of point fed by grease
vii)
Frequency of lubrication.
3
viii)
Recommended type and grade of
grease.
ix)
Piping material.
x)
Points served by system for turbine.
xi)
Make of pump motors.
xii)
Grease consumption per cycle,
per week, per month (Kg.)
xiii)
Rate of grease flow into turbine
greasing points during application
of grease (LPM).
4
3
Governing System
3. 1
Guaranteed Technical Characteristics
----------------------------------------------------------------------------------------------------Item Designation
Value
Remarks
---------------------------------------------------------------------------------------------------1
General
i)
ii)
iii)
2
Manufacturer
a)
Control
b)
Hydraulic unit
Place of manufacture
a)
Control
b)
Hydraulic unit
Type designation
a)
Control
b)
Hydraulic unit
Main data
i)
Sensitivity of governor to respond
to min. speed change of rated
speed
ii)
Max. dynamic pressure for total
load rejection of all three turbines
working in parallel on 110% load
at max. net head of 143 m.
iii)
Max. speed rise for total load
rejection of all three turbines
under working conditions as per
(2-ii) in percentage of rated speed
iv)
Governor operating oil pressure
v)
a)
Minimum
b)
Maximum
c)
Rated
Range of adjustment of gain
control
a)
Proportional gain
b)
Derivative gain
c)
Integral gain
vi)
Type actuator & emergency
valve type
vii)
Minimum wicket gate setting
a)
Closing
b)
Opening
5
3
4
5
6)
7)
8
Governor oil pumps
i)
Number of main oil pumps
ii)
Type of oil pumps
iii)
Unit governor oil pump discharge
pressure
iv)
Power rating of main pump motor
v)
Power rating of jockey pump motor
vi)
Type of pressure switches
Pressure accumulator
i)
Total oil volume
ii)
Design pressure
iii)
Minimum possible operating cycles
of wicket gates (close -open) without
recharging tank
iv)
Dimensions of tank ( H x Dia.)
Sump tank
i)
Total oil volume
ii)
Size of sump (L x W x depth )
Hydraulic oil
i)
Total quantity of oil required for
complete system including
servomotors.
ii)
Type of governor oil
Oil quantity
i)
Oil pressure vessels
ii)
Number of vessel & capacity
iii)
Dimensions
iv)
Normal working pressure
v)
Minimum working pressure for
safe operation
vi)
Number of complete operations
Weight of complete governor
actuator cabinet with pump set
equipment.
6
4.0
AVR system
4.1
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------1
Manufacture
2
Place of manufacture
3
Type designations
4
Applicable standards
5
Rating of excitation system
at rated generator output and
rated power factor (hot rotor
winding)
i) field voltage
ii) field current
iii) field power
iv) No load excitation voltage
v) No load field current
vi) field flashing current and
duration.
6
Ceiling voltage in per units
of rated field voltage.
i) Ceiling voltage at no load
ii) Ceiling voltage at rated
load.
7
Field current at rated ceiling
voltage.
8
Excitation system voltage
response ratio.
9
Response time to reach 95%
of the difference between rated
ceiling voltage and full load field
voltage.
10
Time to reach +0.5% of
ceiling voltage from rated
voltage.
11
Maximum time period for
7
operation at ceiling voltage
power factor 0.9 and maximum
generator power.
12
Data of excitation system at
110% rated generator terminal
voltage, power factor 0.9 and
maximum generator power.
13
i)
field voltage
ii)
field current
Maximum continuous output
capability of excitation system.
14
i)
maximum field current
ii)
maximum field voltage
Maximum duration of over
excitation period
15
Time to reach 5% limit of
generator terminal voltage
in case of load rejection
16
Maximum overshoot of
generator terminal voltage
in case of load rejection.
17
Setting time to reach 0.5%
limit of generator terminal
voltage after over speed
conditions.
18
Range of voltage level setting
19
i) Range for manual control
of excitation.
ii) Frequency range of operation
iii) % transformer drop
compensation
20
Excitation transformer
i)
Type
ii)
Transformer continuous three
Phase power rating.
iii)
Transformer voltage ratio
iv)
Transformer no-load losses
8
(three-phase) at rated voltage,
and rated frequency.
v)
Vector group/ connection.
vi)
Transformer total losses
(75oC three-phase) at full
load at rated voltage and
rated frequency.
vii)
No-load current at rated
voltage and frequency.
viii)
Impedance voltage (75oC)
at rated frequency on 100%
rated kVA.
ix)
Transformer temperature
rise after continuous operation
with rated kVA, under rated
conditions.
- winding (by resistance)
- core
x)
Transformer rated voltage at
rated frequency and no-load.
a)
high- voltage
b)
low voltage
xi)
Standard applicable
xii)
Material
a) Core
b) Conductor
21
xiii)
Class of insulation
xiv)
BIL
xv)
Temperature rise
Voltage Regulating system.
i)
Make
ii)
Type
iii)
Accuracy of voltage regulation
iv)
Range of voltage setting.
v)
a)
Auto mode
b)
Manual mode
Voltage regulation from no
9
load to full load.
22
Rectifiers
i)
Type of rectifiers
ii)
Type of thyristor
iii)
Number of thyristor per
Interchangeable module.
iv)
Number of modules per
bridges of stacks.
v)
Number of bridges or
stacks
vi)
Number of parallel paths.
vii)
Number of thyristor
a)
In series
b)
In parallel per path
viii)
Rated current of rectifier
ix)
Rated voltage of rectifier
x)
Average forward current
rating per thyristor.
xi)
Forward voltage drop per
thyristor
xii)
Maximum safe operating
temperature.
xiii)
Maximum surge current
rating.
xiv)
Max. permissible duration
of surge current.
xv)
Cooling fans for rectifiers
(if necessary) number of
fans.
xvi)
Fan ratings.
xvii)
Electrical fan motor ratings
a)
Rated voltage
b)
Rated power
consumption
xviii)
Auxiliary transformer(s) for
cooling fans and other
a)
Ratings
10
b)
Rated primary voltage
c)
Rated secondary
voltage
23
24
Field circuit breaker
i)
Rated current
ii)
Rated voltage
iii)
Rated breaking current
iv)
Total opening time
v)
Total closing time
vi)
Operating sequence
AC- field flashing equipment
i)
Duration of flashing
ii)
Power rating of field
flashing transformer.
iii)
25
Rated voltages of transformer
a)
primary side
b)
secondary side
DC- field flashing equipment
i)
Power requirements
ii)
Supply voltage
11
5.0
Protection System
5.1
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
---------------------------------------------------------------------------------------------------------
1.
General features
A
Protective devices
i) Manufacturer
ii) Whether entire system from
same manufacture
iii) Whether static type
iv) Whether numeric type
v) Year of commissioning of first
plant with identical equipment
vi) D.C. infeed :
a) Supply voltage
b) D.C/D.C converter included
c) Tolerances of supply Voltage
vii) Overload protection
viii) Short-circuit protection
ix) Power consumption per
cubicle
x) Insulation accuracy to IEC
255-A
xi) Indication :
a)
hand reset flag
b)
Light emitting diodes
xii) Accuracy :
Time error of calibration/
repeatability
2.
Protection cubicles :
i) Type
12
ii) Protection class
iii) Dimension (L x W x H )
iv) Maximum weight
3.
Trip circuit supervision :
i) Type/designation
ii) Continuous/on command
iii) Time delay
iv) Fixed setting (approx.)
v) Auxiliary elements :
Hand reset
vi) Supervision current
4.
Max. trip circuit supervision
current
Test devices :
i) Type/designation
ii) Provided for each assembly
B.
Relays :
1.
Differential relay :
i) Type/designation
ii) Current setting :
a)
Differential elements
b)
Differential current
c)
Bias
iii) High set over current elements
:
Operating time :
less than 3 x IN
iv) Harmonic restraint :
-
Based on second
harmonic content
included
13
v) Relay Stability
2.
Through – fault
Stator earth fault relay :
i) Type/designation
ii) Voltage setting
iii) Time setting
3.
Over current relay :
i) Type/designation
ii) Setting range of time relay
iii) Setting range of instantaneous
element
iv) Setting range of over current
v) Setting range of instantaneous
element
4.
Over voltage relay
i) Type/designation
ii) Setting range of the pick-up
values
a)
Delayed trip
b)
Instantaneous trip
iii) Time setting range
iv) Reset ratio
5.
Under voltage relay :
i) Type/designation
ii) Definite time
iii) Inverse time
iv) Two setting levels
v) Voltage setting :
a)
Setting range
b)
Start element reset at
14
c)
Continuously variable
d)
Steps
vi) Operating time :
6.
a)
Continuously variable
b)
Steps
c)
Setting range
Negative phase sequence
relay (46)
i) Type/designation
ii) Adjustable pick-up value
a)
First stage
b)
Second stage
iii) Tripping time-laq adjustable
7.
a)
First stage
b)
Second stage
Field Failure relay
i) Type/designation
ii) Setting range of pick-up
generator
iii) Time setting :
a)
First Stage
b)
Second Stage
iv) Time integrator setting :
8.
a)
Pick-up
b)
Drop-out
Reverse power relay:
i) Type/designation
ii) Two setting ranges
iii) Pick-up range
iv) Pick – up 2nd range
15
v) Maximum torque angle
vi) Reset ratio
vii) Direction reversible during
operation
viii) Operating time :
9.
a)
Continuously variable
b)
Step
c)
Definitive
d)
1st time setting range
e)
2nd time setting range
Directional over-current &
earth fault relay
i) Type/designation
ii) Setting range of time delay
iii) Setting range of instantaneous
element
iv) Setting range of over current
10.
Synchro-check relay (25)
i) Type/designation
ii) 2 channel device
iii) Independent check on criteria
(3)
a)
Voltage
b)
Power
16
6.0
24 kV Switchgear
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------A
PANELS
1.
Manufacturer’s name
2.
Overall dimensions
a.)
Length
b.)
Breadth in mm.
c.)
Height in mm.
3.
Overall weight
4.
Shipping wt. Of the largest package
5.
Dynamic and static load on the floor
6.
Shipping dimension
a.)
Length
b.)
Breadth in mm.
c.)
Height in mm.
B.
CIRCUIT BREAKER
1.
Type and make of circuit breaker
2.
Place of manufacturer
3.
Standard to which circuit breakers
are manufactured
4.
No. of phases
5.
Frequency
6.
Normal current capacity(Standard)
7.
Derated current capacity(site)
8.
Rated making capacity
9.
Service voltage and system
10.
Insulating media
11.
Rated power frequency insulation
level to earth for one minute
12.
Rated power frequency insulation
level to earth across open contacts
for one minute
13.
Rupturing capacity of circuit breaker
offered MVA
in mm.
in mm.
17
14.
Method of closing
15.
Method of tripping
16.
Normal voltage for operation of :a.)
Closing mechanism
b.)
Tripping mechanism
17.
Power at normal voltage for closing
coil(Watts)
18.
Rated impulse insulation level to
earth .
19.
Rated insulation level to earth
across open contacts
20.
Nominal pressure/vacuum bar (if
applied)
21.
Making capacity peak current KA
22.
Breaking capacity
23.
24.
25.
a.)
Symmetrical KA
b.)
Asymmetrical KA
Short time currents
a.)
One sec. KA
b.)
Three sec. KA
Operating time from the instant trip
coil received its tripping impulse to
the instant at which the contacts
separates.
a.)
Without current(Seconds)
b.)
For given breaking
current(Seconds)
i.)
10%
ii.)
30%
iii.)
60%
iv)
100%
v.)
Short circuit
Arc duration from from separation of
arcing contacts to instant of arc
extinction stated for breaking
currents of no. of loops at :i.)
10% short circuit
ii.)
30% short circuit
iii.)
60% short circuit
iv.)
100% short circuit
18
26.
Time for closing of contact switch to
complete of closing stroke with
rated making current including
closing of series break if any (sec.)
27.
Nos of current interrupting breakers
in series per phase
28.
Speed of break (100%) S.C. current
29.
Type of
a) Main contacts
b) Arcing contacts
30.
Type of arc control device
31.
Type of device ,if any to limit rate of
rise of re-striking voltage
32.
High voltage test on completely
assembled circuit breaker
a)
50 HZ test voltage of 1 min.
KV.
b) Impulse test with stand voltage
on 1/50
KV full wave
33.
Minimum clearance in air
a)
b)
Between phases
Line parts to earth
34.
Watts and voltage of operating
mechanism
35.
Surface protection and the metal
enclosure.
a)From inside
b)
36.
From out side.
a) Year when the first vacuum
circuit breaker was put in
commercial service
b) Nos .of years the particular
design of the circuit breaker
offered has been in service.
37.
Dimension of switchgear.
38.
Total weight of the switchgear.
39.
Max. Nos of opening and closing
operation which can be performed
at 100% making and breaking
capacity
40.
D.C. supply for panel
19
41.
Capacitive switching of the
equipment.
42.
Earth quake loading at o.5g in all
directions and dynamic forces of
C.B.
(C)
P.T.
1.
Name of manufacturer
2.
Type (Please mention whether
electro-magnetic or capacitive
voltage trf. Etc.)
3.
Rated primary voltage
4.
Rated secondary voltage/ voltages
5.
Rated out put per phase.
6.
Rated frequency in HZ.
7.
Standard values of rated voltage
factor
8
Limits of temp. rise.
9.
one min. power frequency with
stand test voltage in KV. (rms)
10.
1.2/50 micro sec. impulse withstand
voltage test in KV.( Peak)
11.
Total weight (Kg)
12.
Limits of voltage error and phase
displacement in 5%
13.
Error angle
14.
Voltage error
15.
Accuracy class
16.
Voltage factor and rated time
17
Test to be conducted by the
manufacturer at works/site
(D)
a) Type testes
b) Routine test
C.T.
( Particulars for different groups of
C. T. be given on separate sheet ).
1.
Name of manufacturer
20
2.
Type
3.
Manufacturer type designation
4.
Rated voltage
5.
Normal continuous rating
6.
Normal ratio of transformations
7.
Rated primary current
8.
Rated secondary current
9.
One sec. over current factor time
rated current
10.
Rated current dynamic ( Peak
value) in amp.
11.
Rated continuous thermal current
temperature rise over ambient in
centigrade
12.
one min. power frequency dry with
stand test voltage in KV. (rms)
13.
one min. power frequency wet with
stand test voltage in KV. (rms)
14.
1.2/50 micro sec. impulse withstand
test voltage in KV.
( Peak)
15.
one min. power frequency with
stand test voltage on secondary in
KV. (rms)
16.
Max. front of wave spark over
voltage
17.
Magnetizing curve of CT cores
18.
Mounting details
19.
Overall dimensions
20.
Test proposed by the manufacturer
at work at site
(E)
i)
Type test
ii)
Routine test
LIGHTNING ARRESTOR
1.
Name of manufacturer
2.
Type
3.
Rated voltage
4.
Frequency
21
5.
Nominal discharge voltage
6.
Max. 100%, 1.2/50 micro impulse
spark over voltage
7.
Max. Power frequency with stand
voltage
8.
Max. front of wave spark over voltage
9.
Max. residual voltage
10.
L.A. standard adopted
11.
Total weight (Kg)
12.
Mounting details
13.
Overall dimensions
22
7.0
LTAC Board
Guaranteed Technical Particulars
--------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
--------------------------------------------------------------------------------------------------------A
Panels
i.
Panel manufacturer name
ii.
Type of the current
iii.
Rated operational voltage
iv.
Rated insulation voltage
v.
Limits of operation
vi.
Rated voltage of auxiliary circulation
vii.
Short circuit rating
viii.
Degree of protection
ix.
Service conditions i.e. indoor or outdoor
x.
Overall dimensions of panel
a
Length
b
Height
c
Breath
xi.
Shipping dimensions:-
a
Length
b
Breadth
c
Height
xii.
Weight of panel
xiii.
Shipping weight of largest package
B
POWER CONTACTORS :
Name of manufactures
Manufacturer’s type designation
23
i.
RATINGS:
Number of poles
ii.
Rated operational voltage
iii.
Normal current
iv.
Rated insulation voltage
C
CONSTRUCTIONAL FEATURES:
i)
Type and material of main contacts.
ii)
Type and material of arcing contacts and /or
control devices.
iii)
a)
Overall dimensions:
Length
b)
Breadth
c)
iv)
Height
Shipping dimensions:
a)
Length
b)
Breadth
c)
Height
CURRENT TRANSFORMERS
a)
Name of manufacturer and manufacturer’s
type designation.
b)
Rated voltage
c)
Frequency
d)
The rated primary and secondary current
e)
Rated output
f)
Accuracy class
g)
Highest system voltage
h)
Rated insulation level
i)
j)
Rated short time thermal current with rated
time.
Rated dynamic current
k)
Resistance of secondary winding
24
l)
Accuracy limit factor
m)
Exciting current
n)
Instrument security factor
o)
Class of insulation
a)
The following type test certificates shall be
enclosed:Short time current tests.
b)
Temperature rise test.
c)
Power frequency withstand tests on primary
and secondary windings.
POTENTIAL TRANSFORMERS:-
a)
Name of manufacturer and manufacturer’s
type designation
b)
The rated primary and secondary voltage
c)
Rated frequency
d)
Rated output
e)
Accuracy class
f)
Highest system voltage
g)
Rated voltage factor and corresponding rated
time
h)
Single phase or three phase
i)
No. of phases and method of connection
j)
k)
Type of transformers (earthed or unearthed)
Class of insulation
The following type test certificates shall
be enclosed
a)
Power frequency withstand test on primary
and secondary windings
b)
Temperature rise test.
MOULDED CASE CIRCUIT BREAKERS:
Name of manufacturer and manufacturer’s
type designation
25
i)
RATING:
No. of poles
ii)
Rated operational voltage
iii)
Normal current
iv)
Frequency
v)
Short circuit performance category
vi)
Rated short circuit breaking capacity
vii)
Rated short circuit making capacity
viii)
Rated short circuit withstand current (1
second)
ix)
Rated insulation voltage
x)
Normal rating at 40 0C ambient temp.
b)
De-rating for 500C ambient temp.
xi)
Overload and short circuit release
a)
Whether thermal overload adjustment
provided and its range of adjustment.
b)
Whether magnetic short circuit protection
adjustment provided and its range of
adjustment.
c)
Definite time lag.
d)
Total operating time for complete clearance
of fault.
The following test certificates to be
enclosed:-
i)
Test certificate for P-2 category test
ii)
Test certificate for mechanical life.
iii)
iv)
Certificate or report of short circuit breaker is
fitted with making current release.
Whether the breaker is trip free.
v)
Weight of the circuit breaker.
vi)
Overall dimensions of the breaker (attach
dimensional drawings)
26
i)
ii)
OPERATING PARTICULARS:
Opening time
Arc durations to be stated for the breaking
current.
OVERCURRENT AND EARTHFAULT
RELAYS:
Name of manufacturer and manufacturer’s
type designation.
RATING:-
i)
No. of over current relays per circuit breaker.
ii)
No of earth fault relays per circuit breaker.
iii)
Current ratings
iv)
Settings range
v)
Pick up current (% of set value)
vi)
Operating current *% of set value)
vii)
viii)
Drop out current (% of set value)
Time settings
ix)
x)
Burden on C.T. at various settings
C.T. requirements
xi)
Thermal ratings
xii)
Accuracy
xiii)
Auxiliary units and operation indicators.
xiv)
Coil ratings of auxiliary units and its burden
xv)
Contact ratings
xvi)
Insulation withstand voltage
OVERALL DIMENSIONS:-
i)
Length
ii)
Breadth
iii)
Height
27
7.0
Station Battery (110 volts 200AH lead acid type with plante positive plates)
Guaranteed Technical Particulars
---------------------------------------------------------------------------------------------------------------ITEM DESIGNATION
VALUE
REMARKS
----------------------------------------------------------------------------------------------------------------1.
Manufacture’s name and place.
2.
Capacity of battery at 10 hours discharge rate (AH).
3.
Cell designation in accordance with IS-1652
4.
5.
i)
Nominal voltage of each cell.
ii)
Voltage of each cell during floating condition.
iii)
Voltage of each cell during boosting condition.
i)
Type of positive plates
ii)
Type of negative plate
Size and material of connectors and method
of connections between cells.
6.
i)
Recommended starting rate of charging.
ii)
Recommended finishing rate of charging.
7.
Voltage per cell at the end of charge at the finishing rate.
8.
i)
Recommended float charging rates (Max. Min.)
ii)
Boost charge.
iii)
Equalizing charge
9.
Thickness, type and material of container.
10.
Thickness, type and material of the separators.
11.
a) Amount of electrolyte per cell required for first filling.
b) Specified gravity of electrolyte.
12.
Recommended specify gravity of electrolyte at the
end of full charge.
13.
Expected specific gravity of electrolyte at the end
of discharge of 10 hours discharge rate.
14.
Overall dimensions of each cell.
15.
Distance between the centers of cell when erected.
16.
Weight of each cell complete with acid/electrolyte.
17.
Maximum number of charge/discharge cycles, the
cell can withstand.
18.
Short circuit current rating of battery.
19.
Size and type of cable recommended for
connection of battery with charging equipment.
28
20.
Ampere hour and watt-hour efficiency at
10 hours discharge rate.
21.
Internal resistance of cell.
22.
Maximum electrolyte temperatures that cell
can withstand without affecting the service
life of the battery.
23.
a)
Continuously.
b)
For short period.
Recommended maximum period of storage
before the first charge.
24.
Estimated life of battery.
25.
Water still.
i)
Make
ii)
Capacity
iii)
Type
26.
Recommended total input (AH)
(initial charging)
27.
Wooden stand dimensions required
for the battery bank..
29