Amf Panel – System Infra Solutions

Amf Panel

Amf Panel (Transfer Switch)

System Infra make AMF panel is state of the art product specially designed for telecom sites. Its having a provision of Single Phase and Three Phase Mains and DG with Automatic/Manual Mode of Operations. This   The AMF system can withstand a voltage ranging from 90 to 300V, can work on 1 ø / 2 ø /3 ø

The state of art controller is quite intelligent and comes with the feature of remote monitoring and controlling over wireless network.

General Features of System Infra AMF are:

Group category Specification Features
Controller/GCU/Supervisory module Should support all appended logics It should support all appended logics & conditions. It should have 4 spare fault channels, 20 Event fault log (name of event, time & date at engine hours )
In Put logics of EB & DG EB 1 Ph DG 3 Ph Automation, Manual logics performance with safety alarm provision
EB 1 Ph DG 1 Ph Automation, Manual logics performance with safety alarm provision
EB 3 Ph DG 1 Ph Automation, Manual logics performance with safety alarm provision
EB 3 Ph DG 3 Ph Automation, Manual logics performance with safety alarm provision
DG Protection EB-LV-1Ph-160 LV-3P-277 LV Cut In  ph-N 185 V, Cut Out Ph-N 165V with 5 sec.  delay, Auto reset (field settable is required)
EB-OV–1Ph-285 OV-3Ph-493 OV Cut In  ph-N 270 V, Cut Out Ph-N 285V with 5 sec.  delay, Auto reset (field settable is required)
EB/DG Freq :46-55 Hz. Applicable for EB & DG
DG-LV-1Ph-198 Auto reset
DG-OV–1Ph-242 Auto reset
HCT/HWT Hard reset
LLOP Hard reset
LFL Auto reset
Over load Hard reset
Over speed Hard reset
Engine fail to start Hard reset
  Fire alarm PFC will be provided From Shelter Sensor, Site power to disconnect
Engine fail to stop Hard reset
DG start/stop 3 attempt start 2, 3, & 4 sec 3rd attempt should be field settable till 6 sec
Delay between cranks-7 Sec fixed
1 Attempt Stop field settable 10 to 99 sec
DG Start / run / rest Logic (in case of EB fail & non EB)  (Fuel optimizer) Voltage DC Below Set limit menu settable Range – 40 -50V for 48V system, field settable , and 20 to 25V for 24V system, field settable
Voltage EB Below Set limit –  Menu settable As per set level
Temp. Shelter More than set limit – Menu-settable 25 – 55 Deg. C (extended temp. sensor with PFC at shelter)
DG run In Hrs Run-Menu settable 0.5 to 7 Hrs(steps of range-0.5 Hrs.)
DG rest In Hrs Rest-Menu settable .5 to 7 Hrs (steps of range-0.5 Hrs.)
Boost Charging Mode Menu settable interval in Days 30 -60 Days Continuous Power Supply for 12 Must ensure power either from DG or EB, also disabling feature should be available
Dry Contacts( PFC’s) HCT/HWT
LLOP
LFL
Over load
Over speed
DG Common Fault
DG Fail to Start
DG Fail to Stop
High Shelter Temp
DG On Load From Contactor Status
Mains Fail From Contactor Status
Fire Alarm
HMR Hard memory DG Hours Cumulative up to xxxxx.xx digit (5.2 digit)
Mains Duration Cumulative up to xxxxx.xx digit (5.2 digit)
DG Battery Charging Static charger Required in both mode DG and EB
Emergency S/w Required
Indicating & recording parameters (can be covered under controller display) EB – DG Voltages Indicating
EB – DG load Currents Indicating
EB – DG frequency Indicating
KWH Cumulative temper proof
DG HMR Cumulative temper proof
EB HMR Cumulative temper proof
Visual Indication(LED) Load on mains, Load on DG, DG failure, DG start failure, Engine overload, HCT & LLOP and Over Speed. Charging alternator fail. VAF 230V/48V DC, (Not 415 V) Load on mains, Load on DG, DG failure, DG start failure, Engine overload, HCT & LLOP and Over Speed.
Indicating gauges DC Charging alt. current gauge
Fuel Level indicator
High cylinder/water temperature gauge
Oil pressure gauge
Analogue Hour meter 230V Tamper proof
Switches/Push button Auto/Manual, Mains contractor & DG Contractor ON, engine start.
AMF bypass switch (for mains & DG supply)
Earthing Bar Earth connection bar inside the panel, with provision of 5 to 8 holes of 8mm dia.
Cable & accessories In built Power cables & power s/w gears should be as per KVA rating of DG & ultimate logic standards
Cable entry 50mm dia hole with gromet -Qty-2  ,  38mm dia hole with gromet- Qty 2
Panel lighting Enclosed Light (small tube light) inside the panel with s/w  at top of the panel

AMF Photograph: – Size (HxWXD ) 550 x 430 x 240 (mm)

Control diagram For No LCU Site