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Heidrive GmbH
EC / BLDC Motors

EC / BLDC Motors

Product catalog summary

Introduction
EC motors, also known as brushless DC motors, are similar to three-phase synchronous motors with a permanent magnet rotor. They lack parts like carbon brushes, making them durable and suitable for use with simplified frequency converters. The EC series by Heidrive GmbH offers three sizes with power ranging from 35 W to 220 W and nominal torque from 0.1 Nm to 0.7 Nm, with a triple overload capacity.

BLDC Motors
BLDC motors use a highly efficient permanent magnet rotor with sintered rare earth magnet segments, resulting in higher efficiency and power output. The BLDC series by Heidrive GmbH includes two sizes with power ranging from 200 W to 800 W and nominal torque from 0.65 Nm to 2.55 Nm, with a fourfold overload capacity.

Basic Performance Values
The document provides detailed specifications for various EC and BLDC motor models, including rated speed, number of pole pairs, DC bus voltage, rated power, torque, and current.

Ambient Conditions & Technical Characteristics
Motors operate in temperatures from -10°C to +40°C and can be stored between -20°C and +70°C. They have a protection class of IP40 and a bearing lifetime of 20,000 hours under rated conditions. The motors include overheating protection and are approved by CE and UL.

Abbreviations & Definitions
The document includes a glossary of terms and abbreviations used in the specifications.

Order Code
The order code section provides a breakdown of motor types, stall torque, rated speed, DC bus voltage, and encoder systems.

Connection Technology & Encoders
The document details the connection technology and encoder systems used in the motors, including rotor position detection and Hall encoder systems.

Specifications Overview:
The document provides detailed specifications for various motor models, including EC08, BLDC07, and BLDC09 series. Key parameters such as rated speed, number of pole pairs, wiring configuration, DC bus voltage, rated voltage, power, torque, current, and maximum speed are outlined for each model.

Motor Specifications:
- EC08 Series: Includes models like EC08-075 and EC08-100 with rated power of 160W and 220W respectively. The motors have a rated speed of 3,000 rpm and a peak torque of 2.3 Nm.
- BLDC07 Series: Models such as BLDC07-067 and BLDC07-135 are detailed, with rated power ranging from 200W to 400W and peak torque up to 5.4 Nm.
- BLDC09 Series: Includes models like BLDC09-240 and BLDC09-320, offering higher power outputs of 600W to 800W and peak torque up to 12.8 Nm.

Performance Characteristics:
Performance graphs illustrate the relationship between torque and speed for different motor models.

Encoder Options:
The document discusses encoder options for motor feedback, including RLE and HES encoders.

Connection and Electrical Specifications:
Detailed electrical specifications are provided for the motors, including supply voltage, current, output voltage, and switching times.

General Features:
The motors are equipped with rotor position detection and optional HES encoders.

Dimensions and Mechanical Specifications:
The document includes dimensional drawings and mechanical specifications for each motor model.

Conclusion:
This technical document provides comprehensive specifications and performance data for a range of EC and BLDC motors, suitable for various industrial applications.

Catalog excerpts

280 0.8 EC motors are also called brushless DC motors. Their construction is equivalent to the construction of a three-pha0.7 245 se synchronous motor with permanent magnet rotor. There 0.6 210 are no service life limited parts (except for ball bearings), like 0.5 175 for example the carbon brush for DC motors. However, the 0.4 140 control behavior and characteristic curve of EC motors are 0.3 105 similar to those of a DC motor. By means of the simple and robust design and the low requirements of control electro0.2 70 nics this motor type can be used with a simpliﬁed frequency 0.1 35 converter...

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Contents General information Basic perfomance values Ambient conditions & technical characteristics Abbreviations & deﬁnitions Order code Motor options Connection technology Encoders Rotor position detection RLE Hall encoder HES1 Hall encoder HES2

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General data EC & BLDC motors basic performance values

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Ambient conditions & technical characteristics BLDC motor Motor types Permanent magnet three-phase synchronous motor Ambient operating temperature Ambient storage temperature < 90 % relative humidity (without condensation) Insulation class Protection class Natural convective Bearing lifetime 20,000 h under rated operation conditions (Mn) Temperature sensor Overheating protection Voltage slew rate dU/dt Maximum altitude 4,000 meters above sealevel; derate 1% per 100 meters above 1,000 meters Concentricity, coaxiality and axial run-out Stator core: Black top coat, RAL 9005 Bearing shield: Bright...

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General data Abbreviations & deﬁnitions Rated frequency Stall current per phase (motor current at stall torque M0) Rated current (rated current per phase) Peak current (maximum permissible current per phase) [Vrms / krpm] Voltage constant (induced voltage between two phases at 1,000 rpm) rms (root mean square value) Theoretical torque constant (rms), without losses at 20 °C Moment of inertia rotor (motor without brake) Winding inductance (phase-to-phase) at rated current In Weight (motor without brake) Stall torque (stall torque at S1) Rated torque (continuous torque at S1) Peak torque (Maximum...

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Order code Encoder system (Sin/Cos 4.5 Vp-p) (Sin/Cos 1.0 Vp-p) ABZ differential UVW differential ABZ/UVW single ended

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Number of pole pairs Wiring of the motor winding Rated voltage motor [Vrms] Rated current per phase [Arms] Stall current per phase [Arms] Peak current [Arms] Voltage constant at 1,000 rpm [Vrms] Torque constant [Nm / Arms] Winding resistance (2 phases) at 20 °C [Ω] Winding inductance (2 phases) [mH] Moment of inertia rotor [kg-cm²]

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The RLE variant / HES version shown here is based on the BLDC variant (see drawing p. 23)

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The RLE variant / HES version shown here is based on the BLDC variant (see drawing p. 23, with length 118 instead of 103)

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The RLE variant / HES version shown here is based on the BLDC variant (see drawing p. 25)

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