Mărimi și unități de măsură SIMBOL Flashcards

(31 cards)

1
Q

cos (φ)

A

Factor de putere

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2
Q

P

A

Putere active

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3
Q

S

A

Putere aparentă [VA]

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4
Q

DA

A

Durata relativă de acționare

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5
Q

λ lambda

A

Curentul relativ de pornire

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6
Q

Pc

A

Putere activă cerută [W]

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7
Q

Q

A

Puterea reactiva [VAr]

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8
Q

k_s

A

Coeficient de simultaneitate

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9
Q

k_c

A

Coeficient de cerere

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10
Q

η

A

Randament

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11
Q

I_rt

A

Curentul de reglaj al releului termic [A]

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12
Q

k_sr

A

Coeficientul domeniului de reglare

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13
Q

I_nF, I_Fn

A

Curentul nominal al siguranței fuzibile [a]

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14
Q

c

A

Coeficientul de siguranță la pornire [ad]

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15
Q

Q_c0

A

Puterea reactivă a treptei fixe [VAr]

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16
Q

U_ln

A

Tensiunea de linie [V]

17
Q

f

A

Frecvența rețelei [Hz]

18
Q

k_tf

A

Coeficient de selectivitate (între RT și SF)

19
Q

Q_c

A

Putere reactivă cerută [VAr]

20
Q

P_r

A

Putere activă reală [W]

21
Q

cos (φN)

A

Factor de putere neutral

22
Q

Φ

A

Flux luminous [lm]

23
Q

I_m

A

Intensitatea luminoasă normală la suprafață [cd]

24
Q

E_med

A

Iluminare medie [lx]

25
L
Luminanță [cd/m^2], [nt]
26
i
Indicele incaperi
27
h
Inaltimea de suspendare a corpurilor de iluminat [m]
28
u
Factor de utilizare
29
Mf
Factorul de mentinere al sistemului de iluminat
30
ρp
Coeficient de reflexie al peretelui
31