Post on 14-Apr-2018
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POWER
INTERFACE
UNIT
(PIU)
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PIU : INTRODUCTION
The system features:
Static Mains Regulator.
Built- in isolationtransformer.
Micro-controller based
AMF Panel.
Security & Safety Alarm
System.
Lightning & SurgeProtection.
AC Distribution.
SMPS Battery Charger for
DG battery.
High/Low Voltage
Disconnection. Modular Arrangement.
Integrated System for
easy installation &
operation.
User Friendly Interface
NMS.
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S.NO PARAMETERS SPECIFIED
1Lightning Protection 10/350_s, 100kA @let through voltage
240V
200V
Response time < 10ms
4 N Earth Protection Over voltage with complete true isolation
5 Manual Error Protection Imported Machine Interlock accessories
6 AMF Panel Micro controller based true RMSequipment, GEN ON-OFF Control & Alarms
7 Line Conditioner Static Line Conditioner withIsolation Input two phase - 240 485V(Extended 265 470V)
Isolation Output single phase - 200 240V
8 Distribution for external load As per customer requirement
9 Dimension 1800mm x 600mm x 400mm
10 Weight 300Kg.
A Sample Specs Sheet
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Lightening
Protection
Surge
Protection
Auto Phase
Selector
Line
Conditioning
Unit
AC
DistributionPanel
Input
MCB
To SMPS
To Air Conditioner
To Power Points
To Lights,
Fans, etc
To Aviation
Lamp
L1L2
L3
N
P1
P2
P
N
Block Diagram of PIU
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Lighting and surge protector
PIU of acme telepower isincorporated with lightning
protection of 10/ 350 micro
sec, 100 KA @ let through
voltage < 700 ; where as for
surge protection of about
8/20 micro sec ,15 KA .
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Auto phase selector
It will select another two healthy
phase out of three phases.Healthy phase - Voltage across
phases between 240V to 480V
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Central processing unit
Brain of PIU,
responsible for
performing various
functions like
measuring, display,adjustment and
interface, alarm,
automation and
rectification and
coordination between
various internal aswell external
parameters.
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Line Conditioner Unit
Equipment operates with
microprocessor-based
controller to provide
correction of mains even inmicro seconds. System
supports to operate on
phase-to-phase basis to get
rid of neutral problem, as it
is very common. Mains
utilization even at extremelow voltage 140V for air-
condition operation
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Alarm Interface
Extension of alarms from
cpu card.
ALARM S AND MEASURES TO
BE TAKEN
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AC Distribution Panel
AC Distribution panel is
provided for load termination.
SMPS, Air conditioners,Power Point and Tube Light
for Aviation Lamp etc are
being connected to various
points. Surge arresters for
class I protection are
provided on the inputinterface panel before the
output gets divided to MCBs
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Automation Layout ( New)
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Alarm
Extension
from PIU,
Color
Codes foreach
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Alarm From PIU
SN Type of Alarm Safety Status in existing PIU Alarm Cable Pair Details
1 Mains fail Alarm Available Brown(Com),Red(NO)
2 Door open (FROM SENSOR) Alarm Available Brown(Com),Brown(NO)
3 Smoke & fire Safety+Alarm Available Black(com),Blue(NO)
4 Room Temperature high Alarm Available Brown(NC), Grey(NO),White(com)
5 Low fuel level (at 50% fuel) Alarm Available Black(com),Orange(NO)
6 Load on DG Alarm Available Grey(com),Red(NO)
7 DG on Alarm Available Red(NO),orange(NC),Green(Com)
8 DG fail to start Alarm Available Green(NC),Red(NO),White(Com)
9 DG fail to Stop Alarm Available Blue(NC),ORANGE(NO) ,White(COM)
10 DG Common fault
Alarm+ Safery( incase of
Alternator fault and
HCT/LLOP) Available Blue(Com),White(NO),Red(NC)
10.a a. LLOP Safety+Alarm Available Availble in common fault pair
10.b c. Alt.fault
LED indication + Alarm as
DG Common fault Available Availble in common fault pair
10.c d. HCT/HWT
LED indication + Alarm as
DG Common fault Available Availble in common fault pair
10.d e. V belt
Safety+ Alarm as DG
Common fault( can be
connected as HCT Port) Available Availble in common fault pair
10.e f. LWL
Safety+ Alarm as DGCommon fault( can be
connected as HCT Port) Available Availble in common fault pair
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BHARTI 11:30:35T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
MAINS OK
BHARTI 12 JAN,2004T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
OP1:230V OP2:000V
+yes
-- NONO
menu
LOG
Scroll
888888
888888
DISPLAY
888888
RESET( +)
(-)
MENU
NOT USED
SCROLL
POWER ON
CPU
MAINS OK
MAINS FAIL
ROOM TEMP HIGH
SMOKE / FIRE
EMERGENCY
OVER LOAD
LCU FAIL
L1-L2
I
MAINS VOLTAGE
O/P CURRENT
FREQUENCY
DG
MAINS
DG FAIL TO START
DG FAIL TO STOP
ALTERNATOR FAULT
LLOPDG FUEL LOW
ENGINE TEMP HIGH
NA
DG BATTERY LOW
CENTRAL SUPERVISIORY UNIT
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888888
888888
888888
MAINS VOLTAGE
O/P CURRENT
FREQUENCY
CENTRAL SUPERVISIORY UNIT
POWER ON
CPU
MAINS OK
MAINS FAILROOM TEMP HIGH
SMOKE / FIRE
EMERGENCY
OVER LOAD
LCU FAIL
DG FAIL TO START
DG FAIL TO STOP
ALTER. FAULT
LLOPDG FUEL LOW
ENGINE TEMP
HIGH
OVER SPPED
DG BATTERY LOW
L1-L2
I
DG
MAINS
+yes
-- NONO
menu
LOG
Scroll
Emergency OFF DisableON/OFF TIMER
ON TIME 18:30
OFF TIME 06:30
HIGH ROOM TEMP. Cut off
32OC
DEFAULT FACTORYBHARTI 09:30:30
T:0000000.5 VGEN:000VTEMP:25.0OC VDC:27.0V
MAINS OK
HIGH VOLT CUT OFF
485V
LOW VOLT CUT OFF
240VHIGH VOLT CUT IN
470V
LOW VOLT CUT IN
265V
DG HIGH VOL CUT OFF
250V
DG LOW VOL CUT OFF
195V
OVER LOAD
70A
DG LOCK
5 MIN
DG LONG LOCK
10 MIN
TEMP LIMIT FORBATT
34OC
P.PBATT MIN VOLTAGE
23.5V
PP/ BATT NOR. VOLTAGE
25.0V
HIGH ROOM TEMP. CUT IN
35OC
FIRST START PULSE
2 SEC
SECOND START PULSE
3 SEC
THIRD START PULSE
4 SEC
DG STOP PULSE
40 SEC
DATE/ TIME SET
11:30:30
11.07.2004
HIGH Engine Temp DisableBHARTI 09:30:30
T:0000000.5 VGEN:000VTEMP:25.0OC VDC:27.0V
MAINS OK
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START
MAINS 240-480IN BEST OF
2 PHASE
MAINS OK
LCU
OP1
180-250
OK
LCU FAIL
NOT OK
NO
VDC =23.5V
TEMP 340C
BATT ON DG SENSE
OKNOT OK
CH
E
C
K
1
2
DG IS RUNNING
DG STOP
YES
NOYES
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
START
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG SENSE
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
MAINS OK
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
BATT ON
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DG SENSE
LLOP NO( PIU)
LLOP NC(B
C)HCT NC(PIU)
DG START
OK
DG VOLTAGE
195-250
NOT OKOK
NOT OK
LLOP NC(PIU)
LLOP NO (BC)
DG LOCKFOR 5/10 MIN.
DG STOP
OK NOTOK
DG FAULT
ALARM
3 TIMES
RETRY
DG FAULT
WITH LLOP AL.
AFTER 5/10 MIN
DG ON
DG FAULT
DG FAIL TO
START
AFTER 3 RETRY
DG CHECK
DG IS RUNNING
VOLTAGE
YES
NO
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG SENSE
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG FAULT
BHARTI 09:30:30
T:0000000.5 VGEN:000VTEMP:25.0OC VDC:27.0V
DG START
BHARTI 09:30:30
T:0000000.5 VGEN:000VTEMP:25.0OC VDC:27.0V
DG CHECK
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG LOCK
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG ON
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0O
C VDC:27.0VDG STOP
BHARTI 09:30:30T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG FAULT
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DG ON
LLOP NC ( PIU)
DG VOLTAGE
MAINS VOLTAGE5 Hrs TIME
LLOP NC
DG VOLTAGEBEYOND 195-250
MAINS OK
240-480
5 Hrs DG
DG CONT. RUN
DG STOPDG FAULT
LLOP ALARM
DG STOP DG FAULTALTER.FAIL
DG STOP GOTO 1
DG STOP GOTO 2
WAIT MAINS
& GOTO 1
WAIT MAINS& GOTO 1
SITE ON DG
DG FAIL
TO STOP ALM
IF NOT
1
2
DG DISC.
DG DISC.
DG DISC
No load 5 min
.
DG DISC.
DG VOLT=0
LLOP NO(PIU)
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG ON
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG STOP
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG FAULT
BHARTI 09:30:30
T:0000000.5 VGEN:000V
TEMP:25.0OC VDC:27.0V
DG DISC
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Trouble Shooting
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Trouble Shooting Contines
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Dos and Donts
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Thank YouThank You
ACME Tele Power LtdACME Tele Power Ltd