A
99001046.vsd
IEC99001046 V1 EN
Figure 53:
Antenna line-of-sight
6.6.2
Electrical installation
Use a 50 ohm coaxial cable with a male TNC connector on the antenna end and a male
SMA connector on the receiver end to connect the antenna to the IED. Choose cable
type and length so that the total attenuation is max. 26 dB at 1.6 GHz. A suitable
antenna cable is supplied with the antenna.
The antenna has a female TNC connector to the antenna cable. For location of GPS
time module (GTM), refer to section
. Connection diagram for
GTM is shown in figure
.
Make sure that the antenna cable is not charged when connected to the
antenna or to the receiver. Short-circuit the end of the antenna cable
with some metal device, then connect to the antenna. When the
antenna is connected to the cable, connect the cable to the receiver.
The IED must be switched off when the antenna cable is connected.
6.6.3
Lightning protection
The antenna should be mounted with adequate lightning protection, that is the antenna
mast must not rise above a neighboring lightning conductor.
1MRK514019-UEN A
Section 6
Connecting
670 series 2.0 IEC
81
Installation manual
Содержание Relion 670 2.0 IEC Series
Страница 1: ...Relion Protection and Control 670 series 2 0 IEC Installation manual ...
Страница 2: ......
Страница 10: ...4 ...
Страница 18: ...12 ...
Страница 24: ...18 ...
Страница 42: ...36 ...
Страница 88: ...82 ...
Страница 100: ...94 ...
Страница 109: ...103 ...