Table-XIV
MOTOR CONTROL CENTRE (MCC)
PANELS
|
Sr. No.
|
Description
|
Specification
|
|
1.
|
Standards
applicable
|
IS 13947,
IS-8623
|
|
3.
|
General features of ACB, MCCB,
MPCB
|
|
|
3.1
|
Rated voltage
|
415V
|
|
3.2
|
Maximum voltage at which
breaker can operate continuously
|
690V
|
|
3.3
|
Rated frequency
|
50 Hz
|
|
3.4
|
Rated current
|
As per single
line diagram (SLD)
|
|
3.5
|
De-rating factor
for site conditions
|
Upto 500C,
no de-ration
|
|
3.6
|
Incomer ACB/
MCCB of MCC panels with microprocessor based release
|
Confirmed
|
|
3.7
|
Incomer ACB/
MCCB of MCC communication capable type.
|
Confirmed
|
|
3.8
|
Make (model) and
protections available in I/C ACB of MCC panels
|
Siemens
(ETU-45B); O/L, S/C, E/F, U/V, O/V, U/F, O/F, reverse power, current unbalance,
temp, monitoring , uP trip error, I-discrimination, all metering & text
display
|
|
3.9
|
Outgoing MCCBs
of MCC panel with releases
|
As per tender
specification i.e. > 400A microprocessor release and £ 400A thermo
magnetic release
|
|
3.10
|
Protections available
in I/C and O/G microprocessor based MCCB of MCC panel
|
Siemens (ETU-42) , O/L, S/C (delayed &
instantaneous), E/F and current metering (In,Ir,Iy,Ie & Ig)
|
|
3.11
|
Protections
offered by thermo-magnetic based MCCB of MCC panel
|
O/L & S/C
|
|
3.12
|
For ACB, MCCB
& MPCB, Icu=Ics=50 kA
|
Yes, confirmed
|
|
3.13
|
Insulation level
of the breaker (one minute dry withstand voltage, rms)
|
3 kV
|
|
3.14
|
Life of circuit
breaker
|
|
|
|
Electrical
|
20,000
operations for Size 1 frame (with maintenance)
15,000
operations for size 2 frame (with maintenance)
10,000
operations for size 3 frame (with maintenance)
|
|
|
Mechanical
|
20,000
operations for Size 1 frame (with maintenance)
15,000
operations for size 2 frame (with maintenance)
10,000
operations for size 3 frame (with maintenance)
|
|
3.15
|
MCCB/ SFU in
non-drawout module
|
≥ 630A
|
|
3.16
|
Incomer ACB/
MCCB with 3-pole and neutral link
|
Confirmed
|
|
3.17
|
Positive
isolation feature of MCCB/ MPCB
|
upto 630A.
|
|
3.18
|
MPCB of relay
function type
|
Confirmed
|
|
3.19
|
MCCB/ MPCB with
door driving mechanism, shunt release, inter-phase barriers, pad-locking and
defeat facility
|
Confirmed
|
|
3.20
|
For high inertia
loads (MCC-DOG1&2 and feeder nos.5 & 6 of MCCE2- Running &
Standby), MPCB shall be provided for class-20 application
|
Confirmed
|
|
3.21
|
For normal
MCC-TSA1 panel, feeder nos. 17 & 18 shall have class-20 O/L relay for
protection against overload
|
Confirmed
|
|
4.0
|
MCC Panel
|
|
|
4.1
|
Drawout module
on rollers/ telescopic rails
|
Confirmed
|
|
4.2
|
Short time
withstand rating of the assembly (panel with bus-bars) for 1 sec.
|
50kA (r.m.s)
|
|
4.3
|
Mechanical
(momentary) withstand rating of assembly (peak)
|
105 kA
|
|
4.4
|
MCC panels
designed for structural integrity based on NNS, IS-1893
|
Yes, confirmed
|
|
4.5
|
Clearances
a) Between phases (live parts)
b) Between live parts and earth
c) Creepage path to earth
|
25 mm
19 mm
25 mm
|
|
4.6
|
Power frequency
withstand voltage of cubicle
a) power wiring
b) control wiring
|
3 kV rms for 1
sec.
1.5 kV rms for 1
sec.
|
|
4.7
|
Material and
thickness of
(a) Main frame work
(b) Doors
(c) Side cover
(d) Partitioning sheet
(e) Gland plate
|
CRCA Sheet
2.5 mm
1.6 mm
1.6 mm
1.6 mm
3
mm
|
|
4.8
4.8.1
4.8.2
|
Internal wiring
& cabling
Cross section
& material of Conductor for
-power wiring
-control wiring
-C.T. wires
Type &
voltage of insulation
|
Copper Wires
70 sq.mm (maxm),
4.0 sq.mm.(min.)
1.5 sq.mm.
2.5 sq.mm.
HRPVC Wires,
1.1 KV grade
(Finolex/ RR
Kabel make)
|
|
4.9
|
Minimum
clearance for the installation
a) In front of MCC
b) In front of MCC with two switchgear rows
facing each other
|
1 m
1 m
|
|
4.10
|
Degree of
protection for non VFD based MCC panels
|
IP-52
|
|
4.11
|
Degree of
protection for VFD based MCC panels
|
IP-42
|
|
4.12
|
Powder coating
after 7-tank treatment
|
Confirmed
|
|
4.13
|
Paint (epoxy
based) thickness in micron
|
50-60
|
|
4.14
|
Provision of
Panel space heater with thermostat switch
|
240V, 200 W
Space heater
|
|
4.15
|
Panel indoor
illumination with switch
|
Confirmed
|
|
4.16
|
Marshalling box
provided
|
Confirmed
|
|
4.17
|
Operating height
of panels
|
350-1900 mm
|
|
4.18
|
Maximum length
of shipping section
|
2000 mm
|
|
4.19
|
Conformity to
SLDs
|
Yes
|
|
4.20
|
‘Single phase
protection (SPP) relay’, ‘Thermister relay with reset push button’, ‘motor
space heater switch’ provided for starter feeders≥ 25 kW
|
Confirmed
|
|
4.21
|
Earthing of
panel doors
|
By 4.0
sq.mm.braided copper wire
|
|
4.22
|
Shrouding as
required
|
Confirmed
|
|
4.23
|
Remote/ local
selector switch provided for all starter feeders
|
Confirmed
|
|
4.24
|
Auto/ Manual
selector switch provided for starter feeders having rating ≥ 25 kW
|
Confirmed
|
|
5.0
|
General
feature of VFD (Variable Frequency Drives)
|
|
|
5.1
|
Make/ Model of
VFD
|
Siemens Micromaster/
MM-430
|
|
5.2
|
Control methods
|
Sensorless
vector control
|
|
5.3
|
Selection of VFD
as per constant torque application
|
Confirmed
|
|
5.4
|
Protection
features offered by VFD
|
Motor O/L, short
circuit, earth fault, stalling, U/V, O/V, inverter O/L, open phase (single
phase), over temperature, drive over heat alarm.
|
|
5.5
|
Provision of MMI
display in VFD
|
Inverter status
-On/Off,
raise/lower set point
-Display of
actual values
-Display of
inverter status
-Display of
alarm and fault (in form of codes) messages
|
|
5.6
|
Switching
frequency
|
2 to 4 kHz
|
|
5.7
|
Control inputs/
outputs
|
6 digital I/P, 3
digital O/P, 2 analog I/P, 2 analog output
|
|
5.8
|
Communication
port
|
RS-485
(Profibus)
|
|
5.9
|
Non-drawout
feature of VFD
|
Confirmed
|
|
5.10
|
Input and output
chokes provided in VFD feeders to control THDV at input < 5%
|
Confirmed
|
|
6.0
|
Communication
ports for SCADA connectivity
|
Communication
ports of ACB, VFD and MPR shall be wired upto the marshalling compartment of
the panel
|
|
7.0
|
Overload Relay
|
|
|
7.1
|
Make
|
Siemens
|
|
7.2
|
Type
|
3UA/3UC/3RB
|
|
7.3
|
Current rating
|
As per SLD
|
|
8.0
|
Contactor
|
|
|
8.1
|
Make
|
Siemens
|
|
8.2
|
Rated duty
|
AC-3
|
|
8.3
|
Rated voltage of coil
|
240V
|
|
8.4
|
Current rating
|
As per SLD
|
|
8.5
|
Drop out voltage
|
35% to 70% of
rated voltage coil
|
|
9.0
|
HRC Fuse
|
|
|
9.1
|
Make
|
Siemens
|
|
9.2
|
Type
|
3NA-3
|
|
9.3
|
Current rating
|
As per SLD
|
|
9.4
|
Interrupting capacity
|
120 kA
|
|
9.5
|
Fusing factor
|
1.5
|
|
10.0
|
Motor Protection Circuit
Breaker (MPCB)
|
|
|
10.1
|
Make
|
Siemens
|
|
10.2
|
Max. voltage of operation
|
690V
|
|
10.3
|
Rated current
|
As per SLD
|
|
10.4
|
Separate O/L & S/C
indications available for MPCB
|
Confirmed
|
|
10.5
|
MPCB with non communication
feature
|
Confirmed
|
|
11.0
|
Rotary Switch/ SFU/
Disconnecting switches
|
|
|
11.1
|
Make
|
Siemens
|
|
11.2
|
Type
|
3KM/3KL
|
|
11.3
|
Rated voltage
|
550 V at 50Hz.
|
|
11.4
|
Rated current
|
As per SLD
|
|
11.5
|
Rated making current
|
80 kA
|
|
12.0
|
Motor Protection Relay
|
|
|
12.1
|
Make
|
Siemens
|
|
12.2
|
Type
|
Simocode
|
|
12.3
|
Current rating
|
As per SLD
|
|
12.4
|
Protections offered
|
Overcurrent,
locked rotor, E/F, Single phasing, unbalancing
|
|
12.5
|
RS-485 communication port
provided
|
Confirmed
|
|
13.0
|
Miniature Circuit Breaker (MCB)
|
|
|
13.1
|
Make
|
Siemens
|
|
13.2
|
Voltage rating
|
230V AC
|
|
13.3
|
Breaking capacity
|
10 kA
|
|
14.0
|
Push Buttons
|
|
|
14.1
|
Make
|
Siemens
|
|
14.2
|
Type
|
3SB
|
|
14.3
|
No. of NO, NC
contacts
|
2NO + 2NC
|
|
14.4
|
Off push button
type
|
Mushroom/
Normal-Luminous
|
|
15.0
|
Bus bars
|
|
|
15.1
|
Materials for
MCC panels
Horizontal Bus
Vertical Bus
|
Aluminium
Alst
|
|
15.2
|
Type of
insulation
|
Heat shrinkable
coloured PVC sleeved
(Class-E)
|
|
15.3
|
Temperature rise
of the bus-bars over the specified ambient temperature
|
500C
over 450C ambient
|
|
15.4
|
Current rating
of bus-bars (in house rating)
|
As per SLD
|
|
16.0
|
Ground Bus
|
|
|
16.1
|
Material
|
Copper
|
|
16.2
|
Cross section
|
40x10 sqmm.
|
|
17.0
|
Control Bus
|
|
|
17.1
|
Physically
separate control bus provided
|
Yes, confirmed
|
|
17.2
|
Material
|
Copper
|
|
17.3
|
Control bus
supply through double pole MCB
|
Provided
|
|
18.0
|
Metering, Indication &
Terminal Blocks
|
|
|
18.1
|
Meters (Analog
type) on incomer of MCC panel
|
Ammeter with
selector switch, Ammeter transducer, Voltmeter with selector switch &
control fuse
|
|
18.2
|
Indicating lamp
on incomer of MCC panel
|
LED based
stacked lamps (R, Y & B phases) with control fuses
|
|
18.3
|
Meters (Analog
type) on outgoing feeders of MCC panel
|
Ammeter, Ammeter
transducer (as per SLD)
|
|
18.4
|
Indicating lamp
on outgoing starter feeders of MCC panel
|
LED based ON,
OFF & TRIP indicating lamps
|
|
18.5
|
Meters (Analog
type) on outgoing non-starter feeders of MCC panel
|
Ammeter (as per
SLD)
|
|
18.6
|
Indicating lamp
on outgoing non-starter feeders of MCC panel
|
ON indicating
lamps
|
|
18.7
|
For microprocessor
based ACB, MCCB & MPR, HMI with suitable softwares and hardwares shall be
provided
|
This is one for
the entire order clubbed in PCC.
|
|
18.8
|
Class-1 CT
(Class-E insulation ) for metering purpose
|
Confirmed
|
|
18.8
|
Class-1 VT
(Class-E insulation ) for metering purpose
|
Confirmed
|
|
18.9
|
20% spare
terminals in cable alley
|
Provided
|
|
18.10
|
20% spare
terminals as sliding contacts
|
Provided
|
|
18.11
|
Make of
components
|
As per tender
document
|
|
19.0
|
Cable entry to MCC panel
|
|
|
19.1
|
All cable entry
for MCC Nos.1,2,3,4, 13,14,15 &31 are from bottom
|
Confirmed
|
|
19.2
|
For MCC
Nos.5,6,9,10,11 & 12, all cable entry from top
|
Confirmed
|
Table-XII
BATTERY CHARGER
PANEL
|
Sr. No.
|
Description
|
Specification
|
|
1.2
|
Nominal rating-
Output Voltage
Output Current
|
110V DC
Float Charger:
250A
Float cum Boost
Charger: 100A
|
|
1.3
|
DC Output Voltage range-
Normal operation
Equalising
operation
|
100V to 126V
100V to 135V
|
|
1.4
|
Overall
efficiency
At full load
half load
|
80%
65%
|
|
1.5
|
Overall size of
complete assembly
|
3200(L)x800(D)x1800(H)
|
|
1.6
|
Ripple content
in DC output
|
Less then 1%
|
|
1.7
|
Total Harmonic
Distortion for voltage(THDV) at input
|
Less then 5%
|
|
1.8
|
CRCA steel
thichness
|
Minimum 2mm
|
|
1.9
|
Make of
components
|
As per tender
specification
|
|
1.10
|
Enclosure
protection of the panel
|
IP-42
|
|
2.
|
Rectifier
|
|
|
2.1
|
Type of
rectifier offered
|
3-phase, full
wave, full controlled bridge rectifier
|
|
2.2
|
No. of SCRs
|
6
|
|
3.
|
Transformer
|
|
|
3.1
|
Type of
transformer
|
Dry type cast
resin transformer
|
|
3.2
|
Rated Primary line to line volt
|
415V AC
|
|
3.3
|
Rated Secondary
line to line volt
|
135V
|
|
3.4
|
No. of
transformers
|
2
|
|
3.5
|
Rated power
|
52KVA-ACVR
25KVA-FCBC
|
|
3.6
|
Insulation class
|
H
|
|
3.7
|
Regulation at
upf
|
5%
|
|
3.8
|
Off load tap
changer at transformer primary
|
Yes, at ±5% and ±2.5%
|
|
4.
|
MCCB
|
|
|
4.1
|
Make
|
CGL/GE/L&T
|
|
4.2
|
No. of poles
A.C.
D.C.
|
3
2
|
|
4.3
|
Rated voltage
|
415V for AC and
220V for DC
|
|
4.4
(a)
(b)
|
Rated Current
Float Charger
AC MCCB
DC MCCB
Float cum Boost Charger
AC MCCB
DC MCCB
|
100A
300A
300A
100A
|
|
4.5
|
Interrupting capacity for AC & DC side
|
|
|
4.6
|
No. of auxiliary
contacts
|
2NO+2NC
|
|
5.
|
Bus Bar
|
|
|
5.1
|
Material
|
Copper
|
|
5.2
|
Current rating
|
345A
|
|
5.3
|
Temperature rise
|
250 C
|
|
5.4
|
Interrupting
capacity of AC Bus-bar
|
|
|
5.5
|
Interrupting
capacity of DC Bus-bar
|
|
|
5.6
|
Type of
insulation
|
|
|
5.7
|
Bu- bar
segregation
|
|
|
6.
|
Ground Bus
|
|
|
6.1
|
Material &
Cross section
|
Copper, 25X6mm
|
|
7.
|
Relay
|
|
|
7.1
|
AC undervoltage
relay
|
1 no.
|
|
7.2
|
DC undervoltage
relay
|
1 no.
|
|
7.3
|
DC overvoltage
relay
|
1 no.
|
|
7.4
|
Earth fault
relay with 20-0-20 mA meter
|
1 no.
|
|
7.5
|
Charger fail
relay
|
1 no.
|
|
7.6
|
Battery alarm
relay
|
1 no.
|
|
7.7
|
Trigle charging
current monitor
|
1 no.
|
|
8.
|
Others
|
|
|
8.1
|
Painting
procedure
|
7 tank process
|
|
8.2
|
Min. gauge of
panel
|
2mm
|
|
8.3
|
Space heater
offered
|
Yes
|
|
8.4
|
Meters offered:
AC side
DC side
|
V, A ,W
V, A
|
|
8.5
|
Panel indicating
lamps
|
Cluster LED
lamps
|
|
8.6
|
Paint coat
thickness
|
60-70 micron
|
|
8.7
|
Internal panel
wiring
|
HFFR wires
|
|
8.8
|
Internal cubicle
lamp
|
CFL lamp with
NO/OFF switch & fuse
|
|
8.9
|
Space heater
with thermostat
|
Yes
|
|
8.10
|
Fuse fail
indication
|
Yes
|
|
8.11
|
Ventilation fan
failure alarm
|
Yes
|
|
8.12
|
Window
annunciator provided
|
Yes
|
|
8.13
|
Mimic provided
on the panel
|
Yes
|
TABLE-XI
TECHNICAL
SPECIFICATIONS OF BATTERY BANK
Sl. No. Specifications and Type of
Components Description
1.1 Make,
type & designation of batteries Exide/
Plante Lead Acid type/ YKP 35
1.2 Type
of construction & dimensions
i)
Positive plate Plante/
122mm(w) x 210mm(h)x
7.8mm(t)
ii)
Negative plate Pasted/
122mm(w) x 210mm (h) x
3.9mm(t)
1.3 Method
of supporting On
mud grip
1.4 Material
of containers SAN
1.5 Thickness,
type & material of separators PVC/
1.27 mm.
1.6
Type,
material & cross-section of
inter-cell
connectors Copper
(Lead coated)
1.7 Capacity
of battery on 10 hr. discharge basis
1.8 i)
Initial 425
AH
ii)Rated 425
AH
iii)
End of Life 425
AH
1.9
Max.
available discharge current for a
discharge
period of 10 hrs. 42.5
Amp.
1.10. Voltage
per cell of fully charged battery 2.05 V
1.10
Voltage
per cell at the end of discharge
period
on normal 10 hr. discharge rate 1.85
V
1.11
Specific
gravity per cell of fully charged
battery 1.2
Specific
gravity per cell at the end of
discharge
period on normal 10 hr. rate 1.14
1.12
Recommended
trickle charge rate to
maintain
battery fully charged & 'on
float' 340
Amp.
1.14 Recommended
equalising charge rate 29.5 Amp.
1.15
Recommended
charging current for
complete recharge under fully discharged conditions
complete recharge under fully discharged conditions
Current
: Starting : 59 Amp, Finishing : 29.5 Amp.
Time for complete recharge : 12 hours.
Time for complete recharge : 12 hours.
1.16
Necessary
maximum charge voltage per
cell
to achieve recharge in 8 hrs. 2.75Volts.
1.17 Number
of positive plates 17
Nos.
1.18 Number
of cells in each bank 60
Nos.
1.19. Number
of spare cells in each bank NA
1.20. Internal
resistance for each cell 0.35
mohms
1.21
Resistance
of the battery bank including
interconnection
between the cells 0.041 ohms
1.22 Short
circuit current 3000
Amps
1.22
Electrolyte
required for first filling
(including
10 extra) 825
litres
1.24 Surface
area of plates 0.393
sq. m
1.25 Weight
of electrolyte per cell 15
kg
1.26
Clearance
between edge of plates and
inner
surface of container 14
mm
1.27
Clearance
between bottom of negative
plates
and bottom of container 35
mm
1.28
Clearance
between top of plates and
top
of container 46
mm
1.29 Sediment
space (depth) 35
mm
1.30. Dimensions
of each cell 362
mm(L)x203mm(W)x349mm(H)
1.31 Thickness
of each cell 4
mm
1.32
Distance
between centres of cells when
erected 217
mm
1.33
Net
weight of each cell complete with
acid 61
kg
1.34 a)
Ampere-hour efficiency 90%
b)
Watt-hour efficiency 75%
1.34
Whether
explosion proof vent plugs are
provided Yes
1.36 Expected
life of battery 12-15
years
1.37
Rack details
a) Material Good quality Wood
b) Description Double row double tier stand
c) No. of units 4
d) Unit weight 150 kg
e) Unit length 3205 mm for 15 cells
f) Unit weight 1008 mm
g) Unit height 1100 mm
a) Material Good quality Wood
b) Description Double row double tier stand
c) No. of units 4
d) Unit weight 150 kg
e) Unit length 3205 mm for 15 cells
f) Unit weight 1008 mm
g) Unit height 1100 mm
1.38
Weight of complete battery including
acid and all connectors 3700 kg
acid and all connectors 3700 kg
1.39
a) Ventilation required in battery room
(No. of air changes/ hr required) 3 Nos.
b) Temperature correction factor for
batteries
0.09%/deg. C(No. of air changes/ hr required) 3 Nos.
b) Temperature correction factor for
c) Ageing factor Nil
d) Tolerable ripple factor for batteries Around 10%
No comments:
Post a Comment