Option mark price BTC

1. For example, real options: the underlying asset price & gt; Call option with exercise price, or underlying asset price & lt; Put option at exercise price (if underlying asset price & gt& gt; Call option with exercise price, or underlying asset price & lt& lt; Put option with exercise price is called extreme real option

2.

PN is the rated power

rated power PN refers to the rated active power output by the generator, that is, the maximum active power that can be generated by the synchronous generator under rated operation (rated frequency, voltage, current and power factor). Generally, the unit is kW or MW

for synchronous generator, the rated current can be determined by rated capacity (SN), and the capacity of matching prime mover can be determined by rated power (PN)

motor rated power PN (kw) = √ 3 × Un × In × cos φ×η

where UN --- rated voltage (kV), in --- rated current (a), cos φ--- Power factor, η--- Motor efficiency

extended data:

the selection principle of motor rated power should be the most economical and reasonable selection of motor rated power on the premise that the motor can meet the requirements of proction mechanical load

In other words, the rated power of the motor should not be too large or too small. If the power is too large, the efficiency and power factor of the motor (AC motor) will be reced, resulting in a waste of power and extremely uneconomic. On the contrary, if the power selection is too small, the motor will be overloaded and the service life will be shortened, or even burned; Or in the case of ensuring that the motor does not overheat, can only rece the use of the load

Therefore, the motor power should be selected according to the load power

3. For example, fictitious options: the underlying asset price & lt; Call option with exercise price, or underlying asset price & gt; Put option of exercise price (if the underlying asset price & lt& lt; Call option with exercise price, or underlying asset price & gt& gt; Put option with exercise price is called extreme virtual option

4.

Represents a channel

circuit symbol:

1, ammeter PA

2, voltmeter PV

3, active watt hour meter PJ

4, reactive watt hour meter pjr

5, frequency meter pf

circuit diagram includes schematic diagram, block diagram, assembly diagram and printed board diagram

extended data:

circuit diagram:

circuit diagram is mainly composed of four parts: component symbol, connection, node and annotation

The symbol of component represents the component in the actual circuit, and its shape is not necessarily similar to or even completely different from the actual component. But it generally shows the characteristics of the components, and the number of pins is consistent with the actual components

2. The connection line refers to the wire in the actual circuit. Although it is a wire in the schematic diagram, it is often not a wire in the commonly used printed circuit board, but a variety of shapes of copper foil blocks, just like many connections in the radio schematic diagram are not necessarily linear in the printed circuit board diagram, they can also be a certain shape of copper film

3. Node indicates the connection relationship between several component pins or wires. No matter how many pins and wires are connected with nodes, they are conctive

Note is very important in circuit diagram, and all words in circuit diagram can be classified as note. If you look at the above diagrams carefully, you will find that there are notes in every part of the circuit diagram, which are used to explain the model, name, etc. of the components

5.

Switch button

button switch is a kind of switch which uses button to push the transmission mechanism to make the moving contact and the static contact open or close and realize the circuit connection. Button switch is a simple structure, widely used master electrical appliances

in the electrical automatic control circuit, it is used to manually send control signals to control contactors, relays, electromagnetic starters, etc

extended data:

button switch is a kind of electrical appliance used to turn on and turn off small current circuit, which acts when pressed and resets when released. It is generally used in the control circuit with AC and DC voltage below 440V and current less than 5A. It can also be used in the interconnection circuit without directly manipulating the main circuit

in actual use, in order to prevent misoperation, we usually make different marks or paint different colors on the buttons to distinguish them, such as red, yellow, blue, white, black, green, etc. Generally, red indicates the operation under the condition of "stop" or "danger"; Green means "on" or "on". The emergency stop button must be red mushroom head button

when the button is not pressed, the moving contact is connected with the upper static contact, which is called normally closed contact

6. Mark price is the price compared with the transaction price of the mainstream exchanges in the market, which is to avoid the huge deviation between the transaction price of its own exchange and that of other platforms e to market fluctuation.

7. Aux auxiliary AC AC out output in input

each electrical component has its own code. The corresponding sb below is the switch button
ammeter PA
voltmeter PV
active watt hour meter PJ
reactive watt hour meter pjr
frequency meter pf
phase meter PPA
maximum demand meter (load monitor) PM
power factor meter PPF
active power Wattmeter PW
wattmeter PR
wattmeter par
acoustic signal hA
optical signal HS
indicator HL
red light HR
green light Hg
yellow light hy
blue light HB
white light HW
connector XB
plug XP
socket XS
terminal board XT
wires and cables, Bus w
DC bus WB
plug in (feeding) bus WIB
power branch line WP
lighting branch line WL
emergency lighting branch line we
power trunk line WPM
lighting trunk line WLM
emergency lighting trunk line WEM
sliding contact line wt
closing small bus WCL
control small bus WC
signal small bus WS
flashing small bus WF
accident sound small bus Bus WFS
warning sound small bus WPS
voltage small bus WV
emergency lighting small bus WELM
arrester f
fuse Fu
fast fuse FTF
drop out fuse FF
voltage limiting protection device FV
capacitor C
power capacitor CE
forward button SBF
reverse button SBR
stop button SBS
emergency button SBE
test button Check button SBT
Reset button SR
limit switch sq
proximity switch SQP
manual control switch sh
time control switch SK
liquid level control switch SL
humidity control switch SM
pressure control switch SP
speed control switch SS
temperature control switch, Auxiliary switch st
voltmeter switch SV
ammeter switch SA
rectifier U
SCR rectifier ur
rectifier VC with power supply in control circuit
inverter UF
converter UC
inverter UI
motor M
asynchronous motor Ma
synchronous motor MS
DC motor MD
wound rotor inction motor MW
mouse Cage motor MC
electric valve YM
solenoid valve YV
fire damper YF
smoke exhaust valve ys
electromagnetic lock YL
trip coil YT
closing coil YC
pneumatic actuator YPA, Ya
electric actuator Ye
heating element (electric heating) FH
lamp (light emitting device) el
air conditioner EV
electric heater heating element EE
inction coil, Reactor l
excitation coil lf
arc suppression coil La
filter capacitor ll
resistor, rheostat r
potentiometer RP
thermistor RT
photoresistor RL
varistor RPS
grounding resistance Rg
discharge resistance Rd
starting rheostat RS
frequency sensitive rheostat RF
current limiting resistor RC
photocell, Thermoelectric sensor B
pressure converter BP
temperature converter BT
speed converter bv
time measuring sensor BT1, BK
liquid level measuring sensor BL
temperature measuring sensor BH, BM
auxiliary text name
character symbol
a current
a analog
AC
a AC
automatic
aut
ACC acceleration
Add
adj adjustable
aux auxiliary
asynchronism
b
BRK braking
BK black
BL blue
BW backward
C control
CW clockwise
CCW counterclockwise
d delay (delay)
d differential
d />D digital
d drop
DC
Dec minus
e grounding
EM emergency
F fast
FB feedback
FW positive, Forward
GN green
h high
in input
Inc increase
ind sense
L left
L limit
l Low
La lock
m main
M middle line
m
man manual
n neutral line
off off (on)
out output
P pressure
P protection
PE protection grounding
pen protection grounding is common with neutral line Use
Pu ungrounded protection
R to record
r right
R reverse
Rd red
R
RST reset
res standby
Run
s signal
st start
s
set Positioning
sat saturation
ste step
STP stop
syn synchronization
t temperature
t time
te noiseless (anti-interference) grounding
V vacuum
V speed
V voltage
wh white
Ye yellow
complete electrical component symbols
serial number component name new symbols old symbols
1 relay kJ
2 current relay KA LJ
3 negative sequence current Relay Kan FLJ
4 zero sequence current relay Kaz LLJ
5 voltage relay kV YJ
6 positive sequence voltage relay kVp ZYJ
7 negative sequence voltage relay kvn fyj
8 zero sequence voltage relay kvz lyj
9 time relay KT SJ
10 power relay KP GJ
11 differential relay KD CJ
12 signal relay KS XJ
13 signal impulse relay Kai x MJ
14 relay KC ZJ
15 thermal relay Kr RJ
16 impedance relay ki zkj
17 temperature relay KTP WJ
18 gas relay kg WSJ
19 closing relay KCR or Kon HJ
20 tripping relay KTR TJ
21 closing relay KCP hwj
22 tripping relay KTP TWJ
23 power monitoring relay kVs JJ
24 pressure monitoring relay K VP yjJ
25 voltage relay KVM YZJ
26 accident signal relay KCa sxj
27 relay protection tripping outlet relay Kou BCJ
28 manual closing relay KCRM SHJ
29 manual tripping relay ktpm STJ
30 acceleration relay KAC or KCl JSJ
31 reset relay KPE FJ
32 blocking relay KLA or KCB BSJ
33 check relay KSY t at the same time JJ
34 automatic quasi synchronization device ASA zzq
35 automatic reclosing device are ZCJ
36 automatic excitation regulating device AVR or aavr ZTL
37 standby power automatic input device AATS or rsad BZT
38 button sb an
39 closing button SBC hA
40 tripping button SBT TA
41 reset button sbre or SBR FA
42 test button SBTE Ya
43 emergency stop button SBEs JTA
44 start button SBST QA
45 self hold button sbhs ba
46 stop button SBSS
47 control switch sac KK
48 transfer switch SAH or SA ZK
49 measurement transfer switch Sam CK
50 synchronous transfer switch SAS TK
51 automatic synchronous transfer switch 2sasc DTK
52 manual synchronous transfer switch 1sasc STK
53 automatic synchronous transfer switch SSA2 Z TK
54 automatic switch QA
55 pole switch QK or Sn DK
56 fuse Fu Rd
57 fast fuse fuhs RDS
58 locking switch Sal BK
59 signal lamp HL XD
60 light plate HL or HP GP
61 alarm bell HAB or ha JL
62 closing contactor KMC HC
63 contactor km C
64 closing coil yon or LC HQ
65 tripping coil yoff or LT TQ
6 6 socket XS
67 plug XP
68 terminal strip XT
69 test terminal Xe
70 connector XB LP
71 battery GB Xdc
72 pressure transmitter BP Yb
73 temperature transmitter BT WDB
74 electric clock Pt
75 ammeter PA
76 voltmeter PV
77 watt hour meter PJ
78 active power meter PPA
79 reactive power meter PPR
80 synchronous meter S
81 frequency meter pf
82 capacitor C
83 de excitation resistance RFs or RFD RMC
84 shunt RW
85 thermal resistance Rt
86 potentiometer RP
87 inctance coil L
88 current transformer TA CT or LH
89 voltage transformer TV Pt or YH
10KV voltage mutual inctor TV syh
35kV voltage transformer TV uyh
110kV voltage transformer TV YY H
90 circuit breaker QF DL
91 disconnector QS g
92 power transformer TM B
93 synchronous generator GS TF
94 AC motor Ma JD
95 DC motor MD ZD
96 voltage transformer secondary circuit small bus
97 synchronous voltage small bus (pending parallel) WST or WVB tqma, tqmb
98 synchronous voltage small bus (running) wos ` or wvbn TQM ` a, TQM ` B
99 quasi synchronous closing small bus 1wsc, 2wsc, 3wsc
1wpo, 2wpo, 3wpo, 1thm, 2thm, 3thm
100 control power supply small bus + WC, - WC + km, - km
101 signal power supply small bus + WS, - WS + XM, - XM
102 closing power supply small bus + won, - won + HM, -HM
103 accident signal small bus WFA sym
104 zero sequence voltage small bus wvbz
ammeter PA
voltmeter PV
active power meter PJ
reactive power meter pjr
frequency meter pf
phase meter PPA
maximum demand meter (load monitor) PM
power factor meter PPF
active power meter PW
reactive power meter PR
reactive current meter pa R
sound signal hA
light signal HS
indicator HL
red light HR
green light Hg
yellow light hy
blue light HB
white light HW
connector XB
plug XP
socket XS
terminal board XT
wires and cables, Bus w
DC bus WB
plug-in (feed) bus WIB
power branch line WP
lighting branch line WL
emergency lighting branch line we
power trunk line WPM
lighting trunk line WLM
emergency lighting trunk line WEM
sliding contact line wt
closing small bus WCL
control small bus WC
signal small bus WS
flashing small bus WF
WFS
WPS
WV
WELM
arrester f
fuse Fu
fast fuse FTF
drop fuse FF
voltage limiting protection device FV
capacitor C
power capacitor CE
forward button SBF
reverse button SBR
stop button SBS < B R / > emergency button SBE
test button SBT
Reset button SR
limit switch sq
proximity switch SQP
manual control switch sh
time control switch SK
liquid level control switch SL
humidity control switch SM
pressure control switch SP
speed control switch SS
temperature control switch, Auxiliary switch st
voltmeter switch SV
ammeter switch SA
rectifier U
SCR rectifier ur
rectifier VC with power supply in control circuit
inverter UF
converter UC
inverter UI
motor M
asynchronous motor Ma
synchronous motor MS
DC motor MD
wound rotor inction motor MW
squirrel cage motor MC
electric valve YM
solenoid valve YV
fire damper YF
smoke exhaust valve ys
electromagnetic lock YL
trip coil YT
close coil YC
pneumatic actuator YPA, Ya
electric actuator Ye
heating element (electric heating) FH
lamp (light emitting device) el
air conditioner EV
electric heater heating element EE
inction coil, reactor l
excitation coil lf
arc suppression coil La
filter capacitor ll
resistor, Rheostat r
potentiometer RP
thermistor RT
photosensitive resistor RL
varistor RPS
ground resistance Rg
discharge resistance Rd
starting rheostat RS
frequency sensitive rheostat RF
current limiting resistor RC
photocell, Thermoelectric sensor B
pressure converter BP
temperature converter BT
speed converter bv
time measuring sensors BT1, BK

8. Year after year, there is no movement. It may not be big. I am also a member of the mining machinery dormitory

9. The drain pipe at home is repaired at your own expense. Who will take care of you? It's not a public part