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EDTC

E-Drive Testing Chamber for external load machine

The EDTC is the chamber solution that is specifically prepared for an external load machine with fixed shaft. Similar to the EMC-BlueBox, the system can be used for dynamic EMC tests of electrical powertrain units in a shielded enclosure. It includes, for instance, braking, driving, direction of rotation (right/left), speed regulation, torque control and a mix out of this range.

Alternatively, the EDTC can be equipped with the HYDROS system which is one of the new powertrain setups using a hydraulic system. An external power converter is outside the chamber and produces the oil pressure to the EUT power converter placed inside the chamber.

The EDTC offers superior conditions for radiated emission testing according to CISPR 25 Ed. 4 and radiated immunity testing according to ISO 11452.

Overview

Compliance	CISPR 25, ISO 11452
System	External Load Machine
Features	- Fixed System - Useable for motors, components, or in combination with battery tests - Powertrain motor setup or axis setup possible
Setup	External shaft for dynamometer outside of EMC chamber, or Hydraulic connectors with external pressure generator

Features EDTC

Full compliant with CISPR 25

Component or system test level

Preferred solution for e-motor only tests

Motor adapter and connection to a CISPR 25 test table

Combination with battery tests

Vibration-free and non-interacting solid basement (floating slab)

Optional EUT e-motor source and water-cooling system

Powertrain motor setup or axis setup possible

External electric-driven generator, or hydraulic

Features HYDROS

Connection of the power module with quick coupling system

Easy adaptions due to EUT

Protection of EUT and test setup by using torque shocks attenuations

Fast adjustment due to low oscillating weight of the adaption unit at the EUT

Scalable setup of the HYDROS system allows to adjust the size of the system perfectly to customers’ needs

EMC testing of electric axis can be carried out without any modification of the device under test

Multiple EMC test facilities in parallel; one power unit can feed multiple EMC facilities

Installation options due to connection of the power unit adaption unit (inside the EMC chamber)

HYDROS system allows all kind of power flow
(passive mode: test setup drives the EUT; active mode: EUT drives the test setup)

System synchronizes automatically with the EUT

Retro-fit option to any existing EMC chambers

Absorbers EDTC

Frankosorb® optimized hybrid absorber lining with Ferrite F006, and H450

High-performance nano thin-film technology with proven long-term stability

Available material classifications:
non-combustible acc. to DIN EN 13501-1 class A2 – s1 d0, or
hardly inflammable acc. to DIN EN 13501-1 class B (alternative)

Typical Product and Verification Standards

Emission

CISPR 25

Immunity

ISO 11452

Typical Specifications

Chamber Type	EDTC
External dimensions	7.880 x 5,480 x 3.750 mm (LxWxH)
Setup	Table setup
Power range	e.g., 250 kW for single motor setup, or axis setup
Test distance	1,0 m (optional 3,0 m)
Load capacity	5.000 kg (typical)
Frequency range	9 kHz/ 30 MHz to 18 or 40 GHz

Performance & Compliance

Full compliant emission (EMI) according to CISPR 25

(ALSE verification acc. to the long-wire method)

Full compliant immunity (EMS) according to ISO 11452