8
Applications
Table 7
For each application, in case of the quantity of oil exceed the max
value for each breather, we advise to put 2 eSDB in parallel.
NOTE
Signal contacts
(1)
Braking capacity
(relays on the electronic card)
Voltage
Current
Braking
capacity
230V AC
2A
500 VA
cosΦ>0,5
30/110/220V DC
0,83/0,23/0,11 A
500 VA
L/R<40 ms
Dielectric strength of contacts
Between contacts and ground: 2kV (60 sec)
Between contacts in open position: 1kV (60 sec)
Configuration
Standard
1 x change over contact: POWER FAILURE
(terminals 22-24-21 – Relay 2)
1 x change over contact: SYSTEM FAILURE
(terminals 12-14-11 – Relay 1)
Special
1 x normally closed contact: POWER
FAILURE
(terminals 22-21 – Relay 2)
1 x change over contact: HEATER ON
(terminals 12-14-11 – Relay 1)
Outputs
(1)
Analog outputs
2 x 4 – 20 mA (Max 30 m / 98 ft)
Output1: 4 mA = 0 % ... 20 mA = 100 %;
Output 2: 4 mA = -40 °C ... 20 mA = 155 °C
Digital outputs
Modbus RTU – Serial port RS485 (Max 30 m / 98 ft)
Modbus TCP/IP – Ethernet port
Data logger – USB port
Recommended wires
(1)
Power supply
14 AWG
Relay
18 AWG
4-20 mA
2 x 18 AWG (shielded twisted cable)
Modbus RTU
2 x 18 AWG (shielded twisted cable)
Modbus TCP/IP
Category 5e straight cable
(1) For more information contact us: [email protected]
Technology
Condition
Based
Condition
Based
Condition
Based
Condition
Based
eSDB type
eSDB XS
eSDB S
eSDB M
eSDB L
Application
Tap-changers
-
-
-
Arc suppression coil (Petersen coil)
-
-
-
Air-filled cable boxes
-
-
-
Traction transformers
-
-
-
Network transformers ≤ 40 MVA
-
-
-
Network and generator step-up transformers > 40 MVA ≤ 200 MVA
-
-
-
Generator and network intertie transformers > 200 MVA
-
-
-
Phase shifting transformers ≤ 40 MVA
-
-
-
Phase shifting transformers > 40 MVA ≤ 200 MVA
-
-
-
Phase shifting transformers > 200 MVA
-
-
-
Shunt reactors ≤ 40 Mvar
-
-
-
Shunt reactors > 40 Mvar ≤ 200 Mvar
-
-
-
Shunt reactors > 200 Mvar
-
-
-
HVDC transformers
-
-
-
Furnace transformers
-
-
-
Cavern transformers
-
-
-
Quantity of oil
≤ 40t
≤ 40t
> 40 ≤ 80t
≥ 80t
SELF-DEHYDRATING BREATHERS eSDB XS/S/M/L
