Experiment, Optimization, and Design of Electromagnetic Track Brake for High-Speed Railways System

Table 5

Attractive force at different electromagnet number and current excitation.

Current excitation (ampere-turn)	Attractive force (N)
	Four magnets	Five magnets	Six magnets	Seven magnets	Eight magnets
1630	20,899	28,404	39,722	37,522	32,350
3300	26,402	35,883	50,181	47,401	40,860
5000	32,305	43,906	61,401	58,032	50,152
6000	34,419	45,465	62,397	58,904	50,442