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ASCO Series 300 

 

Operator’s Manual 

Page 2 

ASCO Power Technologies 

381333-453 

TABLE OF CONTENTS 

R

ATING 

L

ABEL

 .................................................................................................................................................. 

1

 

A

SCO 

S

ERIES 

300

 

P

RODUCT

,

 

A

UTOMATIC 

C

ONTROL 

S

YSTEM

 ............................................................................ 

3

 

INSTALLATION

 .......................................................................................................................................................... 

4

 

S

UPPORTING 

F

OUNDATION

,

 

M

OUNTING

,

 

L

INE 

C

ONNECTIONS

,

 

T

ESTING 

P

OWER 

C

ONDUCTORS

,

 

 

C

ONNECTING 

P

OWER 

C

ABLES

,

 

G

ENERATOR 

C

IRCUIT 

B

REAKER 

C

ONTROL 

C

IRCUITS

,

 

 

G

ROUNDING 

D

IFFERENT 

G

ENERATOR 

D

C 

C

ONTROLS

 ........................................................................................ 

4

 

MANUAL MAINTENANCE OPERATION

 ...................................................................................................... 

5-6

 

OPERATING MODE(S)

 ........................................................................................................................................ 

7-8

 

E

MERGENCY 

M

ODE

 .......................................................................................................................................... 

7

 

B

LOCK 

L

OAD 

C

ONTROL

 .................................................................................................................................... 

8

 

FEATURES

 ............................................................................................................................................................ 

9-11

 

B

US 

O

PTIMIZATION

 ........................................................................................................................................... 

9

 

L

OAD 

D

EMAND

 ......................................................................................................................................... 

10-11

 

T

EST 

F

ACILITIES

:

 

S

INGLE 

E

NGINE 

T

EST

 ...........................................................................................................

11

 

OPERATOR CONTROLS

 ............................................................................................................................... 

12-14 

A.

 

M

ASTER 

C

ONTROL 

S

TATION

,

 

B.

 

G

ENERATOR 

C

ONTROL 

S

TATION

 ................................................................

12

 

G

ENERATOR 

C

ONTROL 

S

TATION 

(F

IGURE 

5),

 

E

NGINE

/G

ENERATOR 

C

ONTROL 

S

WITCH

, 

S

YNCHRONIZING 

M

ODE 

S

WITCH 

(SMS),

 

E

NGINE 

M

ALFUNCTION 

I

NDICATION 

, 

E

MERGENCY 

S

TOP

 ................................................................................................................................... 

13-14

 

M

ASTER 

C

ONTROL 

S

TATION 

(F

IGURE 

4),

 

B

US 

A

LARM 

R

ESET

,

 

A

LARM 

S

ILENCE

, 

P

RIORITY 

#

 

L

OAD 

S

HED 

B

YPASS

/R

ESET 

(

VIA 

OIT),

 

L

OAD 

D

EMAND 

M

ODE 

(

VIA 

OIT),

 

 

B

US 

O

PTIMIZATION

,

 

(

VIA 

OIT),

 

M

ANUALLY 

I

NITIATED 

P

ARALLEL 

(

VIA 

OIT) .........................................................

14

 

OPERATOR INTERFACE TERMINAL (OIT)

 ............................................................................................ 

15-17

 

FACTORY DEFAULT SETTINGS

 ................................................................................................................ 

18-19

 

INDEX

 .......................................................................................................................................................................... 

20

 

 
 

 

Содержание Series 300

Страница 1: ... ASCO 800 800 2726 or email customercare asco com Rating Label Each ASCO Series 300 Power Control System PCS contains a rating label to define the loads and withstand closing ratings Refer to the label on the unit for specific values For a non redundant system where the load current is more than one generator s full load current and the generators are paralleled to provide more power to the load t...

Страница 2: ...GENCY MODE 7 BLOCK LOAD CONTROL 8 FEATURES 9 11 BUS OPTIMIZATION 9 LOAD DEMAND 10 11 TEST FACILITIES SINGLE ENGINE TEST 11 OPERATOR CONTROLS 12 14 A MASTER CONTROL STATION B GENERATOR CONTROL STATION 12 GENERATOR CONTROL STATION FIGURE 5 ENGINE GENERATOR CONTROL SWITCH SYNCHRONIZING MODE SWITCH SMS ENGINE MALFUNCTION INDICATION EMERGENCY STOP 13 14 MASTER CONTROL STATION FIGURE 4 BUS ALARM RESET A...

Страница 3: ...es industry leading and time proven dual contactor based Closed Transition Transfer Switching CTTS mechanism to parallel two generators per CTTS unit A two generator system refer to Figure 2 consists of a single section while a three and four generator system consists of two sections An accessory can be added at the time of ordering of the two generator system for future expansion Automatic Contro...

Страница 4: ...g installation Connecting Power Cables After the power cables have been tested connect them to the appropriate terminal lugs if provided on the equipment as shown on the wiring diagram Make sure that the cables being installed are suitable for use with the lugs Generator Circuit Breaker Control Circuits The generator circuit breaker control connections are located on customer terminal block Connec...

Страница 5: ...itch to close and reopen the contacts It should operate smoothly without any binding If it does not check for shipping damage or construction debris J design Figure 3a and H design Figure 3b The transfer switch has two contact shaft hubs Install the maintenance handle into the hole in the molded hub The upper hub operates the Generator 2 contacts The lower hub operates the Generator 1 contacts G d...

Страница 6: ...ise DOWN OPENS the contacts Pull out shaft upper to open Gen 2 source contacts upper Push in shaft upper to open Gen 1 source contacts lower clockwise DOWN CLOSES the contacts Pull out shaft upper to close Gen 2 source contacts upper Push in shaft upper to close Gen 1 LOWER SHAFT Generator 1 contacts UP closes the contacts DOWN opens the contacts UPPER SHAFT Generator 2 contacts UP opens the conta...

Страница 7: ... activated Generally if no loads in any priority block are calling for an engine start all loads in lower priority blocks will be shifted up to a higher priority for block load add shed purposes The synchronizer will automatically adjust the frequency of the on coming generator to synchronize with the bus When synchronism is achieved the on coming generator is paralleled to the bus When the second...

Страница 8: ...on a second time the ENTIRE selected load block will shed The OIT System Status screen will annunciate the status of each Priority load block indicating if it is shed or manually bypassed Refer to Figure 8 If the operator inadvertently bypasses the load shed and overloads the Generator s resulting in a bus under frequency all manually bypassed loads will be automatically shed along with blocks of ...

Страница 9: ...ntly measured and the next load block priority is evaluated Loads are evaluated at a preset time interval defined via the OIT Bus Opt Step Time When the bus has been loaded to a level such that the next load would exceed the de rating value the Next Load Exceeds Headroom light on OIT will activate and load adding will pause The system will continuously monitor the generator load and evaluate if th...

Страница 10: ...um number of generators online at all times Generator load demand saves fuel and wear by running fewer generators at a more efficient load level Entering Load Demand Mode After all generators sets have been paralleled to the bus and all loads connected that require power a stabilization time delay 0 300 seconds factory sets at 30 seconds will be initiated while a Load Demand Mode light in OIT flas...

Страница 11: ...un time values The auto gen priority feature can be disabled or enabled If enabled the run time hours must be manually retrieved by an operator from the gen set controls and programmed into the OIT screen Once set the system will add to the run time hours when the generators are run Refer to Figure 4 for the Master Control Station layout including the OIT screen Test Facilities Single Engine Test ...

Страница 12: ...rator s Manual Page 12 ASCO Power Technologies 381333 453 Operator Controls A Master Control Station Figure 4 Master Control Station B Generator Control Station Figure 5 Generator Control Station Shown Typical for Gen 1 2 ...

Страница 13: ...ntactor will be closed to the Generator Paralleling Bus When an Automatic start signal from the master controls is removed the Generator circuit paralleling contactor will be tripped open and the Engine Generator will run for cool down period TEST OFF LINE With the switch placed in this position the Engine Generator set shall immediately start and run In this mode the Generator circuit paralleling...

Страница 14: ...d bypass reset button is used to add or shed load that is in addition to the load blocks that can currently be supported by the system 1 load block per generator online If only a single generator were to come online pressing this button for priority 2 will allow the priority 2 load block to be added to the bus Pressing this button for priority 2 again will shed the priority 2 load block Priority b...

Страница 15: ...to go into that menu To go back to a previous menu press the ESC key To change any setting use the arrow keys to choose the specific set point and press enter The keypad will pop up to allow you to change the value Load Demand and Bus Optimization can be enabled disabled through the System Control Station screen Figure 9 This screen is accessed from the main menu Additionally buttons for priority ...

Страница 16: ...ystems bus under frequency status and the status of the applications for load demand and bus optimization Figure 9 System Control The status indicators and controls for the system control station include control for the load demand and bus optimization applications alarm reset and block priority bypass control Figure 10 Metering The metering screen shows metering for a generator including real and...

Страница 17: ...ils of the bus optimization application including status information regarding available power headroom delay timer values when active and added loads Figure 12 Manual Paralleling The manual paralleling screen includes a graphic synchroscope and controls to either manually or automatically close the paralleling circuit breaker once the generator is synchronized with the bus ...

Страница 18: ...e Delay 0 1800 sec 5 sec Derated Bus Capacity Derated Bus Capacity for Bus Op 60 100 95 UF Setpoint Bus Under Frequency Setpoint 45 65Hz 58Hz Auto Gen Priority Automatic Generator Priority Based on Runtime 1 Enabled 0 Disabled 0 Block Load Disable Block Load Disable 0 Block Loading Enabled 1 Block Loading Disabled 0 Ext Modbus Modbus Slave Feature BMS CPMS access 1 Enabled 0 Disabled 0 Generator 1...

Страница 19: ... Gen 3 Sec Gen 4 Run Time Seconds 0 59 0 Gen 4 Sec Gen 4 Run Time Seconds 0 59 0 Gen 1 Min Gen 1 Run Time Minutes 0 59 0 Gen 2 Min Gen 2 Run Time Minutes 0 59 0 Gen 3 Min Gen 3 Run Time Minutes 0 59 0 Gen 4 Min Gen 4 Run Time Minutes 0 59 0 Gen 1 Hr Gen 1 Run Time Hours 0 9999999 0 Gen 2 Hr Gen 2 Run Time Hours 0 9999999 0 Gen 3 Hr Gen 3 Run Time Hours 0 9999999 0 Gen 4 Hr Gen 4 Run Time Hours 0 9...

Страница 20: ...or DC controls 4 generator circuit breaker control circuits 4 generator load demand control 10 11 generator control station 12 13 graphic touch screen 15 H HELP 800 800 2726 ASCO customercare asco com I installation 4 L line connections 4 load bus optimization 8 load demand mode 14 M manual maintenance operation 5 6 manually initiated parallel 14 master control station 11 12 14 mounting 4 N Notice...

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