ABB REF601 Applications Manual page 33

1MDU07212-YN 1MDU07212 1MDU07212 1MDU07212 YN Rev. C Rev. C Rev. C
REF601 / REJ601 REF601 / REJ601 REF601 / REJ601 REF601 / REJ601 REF601 / REJ601 REF601 / REJ601
Application Manual Application Manual Application Manual Application Manual Application Manual Application Manual
= = + + − − ∗ 1 ∗
Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic Thermal characteristic warming condition at diabatic behavior (I < I
ϑ ϑ
= new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image
1
ϑ ϑ
= present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image
0
I = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents
I = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting).
b b
Δt = time inter Δ val between ϑ
= time interval between = time inter = time inter = time inter val between val between val between
τ↑ = Heating time constant τ↑
= Heating time constant = Heating time constant = Heating time constant = Heating time constant = Heating time constant = Heating time constant = Heating time constant = Heating time constant
= = + + ∗
Thermal characteristic warming condition at adiabatic behavior (I ≥ ∆
Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I Thermal characteristic warming condition at adiabatic behavior (I
↑
The value of ϑ
The value of The value of The value of The value of
IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting IED is defined by a setting
2. 2. Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object: Constant thermal image of protected object:
During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current During this condition, the dissipated heat is equal to heat generated by the current
flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object. flowing through the protected object.
= =
The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow: The thermal model for this conditions is as follow:
100 [ % [ % ] [ ] ]
= = ∗ 100
whereas: whereas: whereas: whereas:
ϑ ϑ
= new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image = new value of thermal image
1
ϑ ϑ
= present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image = present value of thermal image
0
I = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents = maximum value of measured phase currents
I = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting). = base current (rated current/full load current defined by setting).
b b
3. 3. Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object: Cooling of protected object:
When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to When the current reduces compared to previous condition or the motor has stopped When the current reduces compared to
it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus. it results into cooling of an apparatus.
100 [ % [ % ] [ ] ]
> > ∗ 100
Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when: Cooling condition is defined when:
The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable / The thermal model used during cooling condition for standing objects (cable /
= = + + − −
transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is: transformer / standing motor) is:
Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function Protection and Control Function
1 − −
∆
↑ ↑
ϑ and ϑ ϑ
and
0 1
ϑ
at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the at the start of the function (i.e. at power on of the
0
previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped previous condition or the motor has stopped
∗ ∗
∆ ∆
↓ ↓
Section 4 Section 4 Section 4 Section 4 Section 4 Section 4
behavior (I < I behavior (I < I behavior (I < I behavior (I < I behavior (I < I ):
b
≥ I
): ):
b
27 27