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Calculations direct current
Active power: P = V x I
Active power: P = I² x R
Active power: P = V² / R
Mecanical power: P = W / t
Calculations alternating current
Apparent power: S = V x I
Active power: P = V x I x cos φ
Reactive power: Q = V x I x sin φ
Aktive power factor: cos φ = P / S
Reactive power factor: sin φ = Q / S
Calculations three-phase
Apparent power: S = V x I x √3
Active power: P = V x I x cos φ x √3
Reactive power: Q = V x I x sin φ x √3
Active power factor: cos φ = P / S
Reactive power factor: sin φ = Q / S
Cable cross-section calculations
Direct-current: A = (2 x I x L) / (K x Δv x V)
Single-phase: A = (2 x I x L x cosφ) / (K x Δv x V)
Three-phase: A = (√3 x I x L x cosφ) / (K x Δv x V)
Torque calculations
Torque: Md = 9550 x P / n
Slip calculations
Slip: S = (Ns - N) / Ns x 100%
Energy saving calculator
Energy Saving Calculator
Ohm's law
Voltage: V = I x R
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Faq
2.1.0 Gear Motors-Technology
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Faq - 2.1.0 Gear Motors-Technology
2.1.1 Do helical worm gear motors require a run-in period?
Do helical worm gear motors require a run-in period?
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2.1.2 Which service factor should be selected for helical worm gear motors?
Which service factor should be selected for helical worm gear motors?
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2.1.3 At what efficiency level does a helical worm gear unit have self-locking?
At what efficiency level does a helical worm gear unit have self-locking?
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2.1.4 Which motors can be combined with helical worm gear units?
Which motors can be combined with helical worm gear units?
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2.1.5 Are shortened versions of the helical gear motors also available?
Are shortened versions of the helical gear motors also available?
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2.1.6 What factors need to be considered when mounting the coupling on the helical gear motors?
What factors need to be considered when mounting the coupling on the helical gear motors?
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2.1.7 Up to what torque are helical bevel gear units manufactured?
Up to what torque are helical bevel gear units manufactured?
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2.1.8 Are additional cooling options available for helical bevel gear motors?
Are additional cooling options available for helical bevel gear motors?
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2.1.9 What are the technical features of the parallel-shaft gear motors?
What are the technical features of the parallel-shaft gear motors?
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2.1.10 What options/accessories are available for parallel-shaft gear motors?
What options/accessories are available for parallel-shaft gear motors?
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2.1.11 Which planetary gear motor designs are available?
Which planetary gear motor designs are available?
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2.1.12 What factors need to be considered when using planetary gear units?
What factors need to be considered when using planetary gear units?
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2.1.13 What cooling variants are available for horizontal helical gear units?
What cooling variants are available for horizontal helical gear units?
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2.1.14 Are horizontal helical gear units also available on a base frame?
Are horizontal helical gear units also available on a base frame?
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2.1.15 Which oil type is used for stainless-steel helical worm gear units?
Which oil type is used for stainless-steel helical worm gear units?
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2.1.16 Which mounting positions are possible with stainless-steel helical worm gear motors?
Which mounting positions are possible with stainless-steel helical worm gear motors?
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2.1.17 Where is the breather screw located on the stainless-steel helical gear unit?
Where is the breather screw located on the stainless-steel helical gear unit?
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2.1.18 What protection class do stainless-steel helical gear motors have?
What protection class do stainless-steel helical gear motors have?
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2.1.19 How is the stainless-steel helical bevel gear unit connected to the electric motor?
How is the stainless-steel helical bevel gear unit connected to the electric motor?
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2.1.20 Can stainless-steel helical bevel gear motors be operated with a frequency inverter?
Can stainless-steel helical bevel gear motors be operated with a frequency inverter?
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2.1.21 Do barbecue motors with frequency inverters exist?
Do barbecue motors with frequency inverters exist?
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2.1.22 Which gear oil is used for barbecue gear motors?
Which gear oil is used for barbecue gear motors?
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2.1.23 What factors should be considered for variable speed helical worm gear motors?
What factors should be considered for variable speed helical worm gear motors?
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2.1.24 What are the mounting positions of the variable speed helical worm gear motors?
What are the mounting positions of the variable speed helical worm gear motors?
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2.1.25 Which gear oil is used for variable speed helical gear motors
Which gear oil is used for variable speed helical gear motors
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2.1.26 Does a helical variable speed gear motor require a running-in period?
Does a helical variable speed gear motor require a running-in period?
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