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Drive (CDM) Design
T1689 Technical Manual Rev 07
Component Selection – Electrical
MV3000 Air Cooled DELTA
Page 92
3.8
COMPONENT SELECTION – ELECTRICAL
3.8.1
DELTA Power & Control Modules
These are selected as part of the initial kit list (Section 3.2: initial DELTA Kit list), with the description and
specification for these units shown in Section 2: Specification. Some units have a small amount of additional
selection information shown below.
3.8.1.1
Switch Mode Power Supply (SMPS)
Several variants are available as shown in Table 2–14. These variants allow for different voltage supplies and
different voltage transients on these supplies. Higher voltage transient SMPS must only be used with higher
transient capable DELTA power modules as the SMPS provides the under- and over-voltage protection for that
power module.
Standard Tolerance a.c. Supplies
Table 3–1 shows compatible DELTA SMPS units for the standard a.c. supply voltage (as shown in Table 2–1) of
the CDM. This SMPS supply voltage rating must also match the DELTA Transistor module.
SMPS Version
AC Supply Voltage
Compatible DELTA module
MVC3003-4001
380 – 440 V a.c. (400 V nominal)
MVD5xx-x5xx
MVC3003-4002
460 – 525 V a.c. (480 V nominal)
MVD5xx-x5xx
MVC3003-4003 575 - 690 V a.c. (600 / 690 V nominal) MVD3xx-x7xx, MVD5xx-x7xx
MVC3003-4020 575 - 690 V a.c. (600 / 690 V nominal) MVD3xx-x7xx, MVD5xx-x7xx
MVC3003-4025 575 - 690 V a.c. (600 / 690 V nominal) MVD3xx-x7xx, MVD5xx-x7xx
MVC3003-4030 575 - 690 V a.c. (600 / 690 V nominal) MVD3xx-x7xx, MVD5xx-x7xx
Table 3–1: SMPS Units For Standard Supplies
Poor Tolerance a.c. Supplies
The following variants have been designed specifically for use in systems with poor supply regulation. These
units are more complex and are only to be fitted to DELTA modules with higher withstand voltage.
The sequence of SMPS connections to the controller is important:
MVC3003-4020
This SMPS is designed to maximise the achievable system voltage by fitting a high tolerance over-voltage
feedback circuit. The other (if fitted) parallel DELTA transistor module(s) must then fitted with an SMPS
(MVC3003-4025) where the over-voltage trip is set above this trip level.
The MVC3003-4020 must be connected to the controller PL2 (DELTA 1 position) only. The -4025 version is fitted
in DELTA 2 – 6 positions (PL3 – 7 on the controller).
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