Design of a Substation Secondary Equipment-Oriented Error Prevention System Using Wireless Communication Technology and Edge Node Cooperation

Table 1

Performance comparison of different wireless technologies.

Wireless technologies	Performance	Concrete content
Infrared technology	Working frequency	820 nm
	Data rate	115.2 kbps
	System power consumption	Counted by mW
Bluetooth technology	Working frequency	2.4 GHz
	Data rate	723.2 kbps
	System power consumption	1 mW~100 mW
ZigBee	Working frequency	2.4 GHz, 868 MHz, 915 MHz
	Data rate	20\40\250 kbps
	System power consumption	1 mW~3 mW
Wireless fidelity (Wi-Fi)	Working frequency	2.5 GHz, 5 GHz
	Data rate	1~1,700 Mbps
	System power consumption	10 mW~1 W