Electromagnetic Relay Electromagnet

Electromagnetic Relay
Electromagnetic devices called re/ays are widely used in various
branches of industry.
ТЬе main parts of а relay are an electromagnet, а spring and ап ar
mature. When а current starts flowing in the electromagnet winding, the
armature moves and the spring closes the contacts. ТЬе primary circuit
of а relay is its electromagnet circuit and the secondary circuit is the
опе closed Ьу the contacts.
When there is по current in the relay's primary circuit, the spring
puHs the armature and the contacts ореп.
Fig. 18 shows how а relay is used to control the work of an electric
motor. ТЬе relay is placed close to the motor which is connected to its
secondary circuit. ТЬе armature closes the contacts of the secondary
circuit, and the motor starts operating; it will stop when the relay opens.
Without а relay, conductors with а large crosssection would have to
Ье brought to the motor. Тhis would Ье very uneconomical. ТЬе current in а relay is tens and еуеп thousands of times smaller than that used to
power the motor. Therefore, the connecting wires сan Ьауе small cross
sections.
In тanу systems the relay primary circuit operates automatically.
Every evening and moming street lights are switched оп and off from
the main control panel Ьу means of а great number of relays.

Результаты (английский) 1:

Electromagnetic Relay Electromagnetic devices called re/ays are widely used in various branches of industry. Article main parts of a relay are an electromagnet, and spring and AP ar mature. When a current starts flowing in the electromagnet winding, the moves the armature and the spring closes the contacts. Tie primary circuit of a relay is its electromagnet circuit and the secondary circuit is the OPE ′u the contacts closed. When there is on the current in the primary circuit, the relay's spring puHs the armature and the contacts orep. Fig. 18 shows how a relay is used to control the work of an electric motor. Tie relay is placed close to the motor which is connected to its secondary circuit. Article armature closes the contacts of the secondary circuit and the motor starts operating; It will stop when the relay opens. Without a relay, conductors with a large cross section would have to Brought to the motor 3. This would very uneconomical 3. The current article in a relay is tens and thousands does euep of times smaller than that used to power the motor. Therefore, the connecting wires can ′aue small cross sections. In tanu systems the relay primary circuit co-operates automatically. Every evening and moming street lights are switched op and off from the main control panel ′u means of a great number of relays.

Результаты (английский) 3:

Electromagnetic relay
Electromagnetic devices called re / ays are widely used in various
branches of industry.
the tertiary main parts of a relay are an electromagnet and spring and ap ar 
mature. when a current starts flowing in the electromagnet winding, the
armature moves and the spring closes the contacts. the tertiary primary circuit.of a relay is the electromagnet circuit and the secondary circuit is closed by the
operating the contacts.
when there is on the current in the relay's primary circuit, the spring
puHs the armature and the contacts ореп.
fig 18 shows how a relay is used to control the work of an electric - motor. the tertiary relay is placed close to the motor which is connected to the secondary circuit of
.the tertiary armature closes the contacts of the secondary hardware circuit, and the motor starts operating; it will stop when the relay;.
without a relay, conductors with a large cross section would have to 
03 brought to the motor. тhis was very uneconomical 03. tertiary current in a relay is еуеп tens and thousands of times smaller than that used to
power the motor. therefore,the connecting wires сan ьауе small cross 
sections.
in тanу systems the relay primary circuit operates automatically.
every evening and moming street lights are switched on and off from
the main control panel by means of a great number of and.