Transcript Kein Folientitel - Impol-1

General description
Railway vehicles often have to cope with different power supply
systems ( eg 1 kV AC, 1.5 kV AC, 1.5 kV DC and 3 kV DC ).
The monitoring and control unit ZH 914 monitors the power
supply system. When there is a change in the voltage the
ZH 914 will activate the change-over unit and change the
position of the auxiliary switches to ensure the correct
operation of train systems and equipment.
The microprocessor controlled device monitors power supply
systems working with DC voltages up to 5 kV or AC voltages
up to 3 kV. The ZH 914 differentiates between two to five
different power supply systems and provides five different
output signals needed to control the change-over units.
Special features and new ones:
 CE certificate, EMC-tested microprocessor controlling
 protection against faulty switching
 no change-over actions under load possible
 no change-over actions in 1500 V AC networks when
phase is changed.
The parameters of the power supply systems are defined
in program tables, easy to change (see Ordering code).
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Ordering code
1
Selection of voltage range:
Table 1, safety check at the main heater with
500…1440 V
2
Table 2, safety check at the main heater with
500…1440 V
3
Table 1, safety check at the main heater with
0…1440 V
5
Table 1, safety check at the main heater with
500…1440 V, new features
6
Table 2, safety check at the main heater with
500…1440 V, new features
1
2
3
4
Number of control-outputs for voltage ranges:
4: [1 kV AC], [1.5 kV AC], [1.5 kV DC], [3 kV DC]
5: [1 kV AC], [1.5 kV AC], [1.5 kV DC], [3 kV DC], [3 kV AC]
3: [1 kV AC], [1.5 kV AC & 1.5 kV DC], [3 kV DC]
3: [1 kV AC], [1.5 kV AC & 1.5 kV DC], [3 kV DC & 3 kV AC]
N
ZH 914
E
Switch-off characteristics:
Normal switch-off characteristics
Maximum switch-off voltage U max-off, according to table 1 or table 2, see selection voltage range
Extra switch-off characteristics
Extra maximum switch-off point for 3 kV DC range, all other voltage ranges according to
table 1 or table 2, see “Selection of voltage range”
Control voltage of the device:
24 V DC according to UIC
120 16.8V … 158V
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N
I
Special features for 1 kV AC range:
16 2/3 Hz and 50 Hz allowed
16 2/3 Hz only
4
5
Number of selected voltage ranges:
4: 1 kV AC, 1.5 kV AC, 1.5 kV DC, 3 kV DC
5: 1 kV AC, 1.5 kV AC, 1.5 kV DC, 3 kV DC, 3 kV AC
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Available program tables defining power supply systems
Table 1:
Name of
power
supply
system
1 kV AC
1.5 kV DC
1.5 kV AC
3 kV DC
3 kV AC
Table 2:
Name of
power
supply
system
1 kV AC
1.5 kV DC
1.5 kV AC
3 kV DC
3 kV AC
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Definition of power supply systems of European coaches according to UIC550
Switch-on voltage
U min-on
750V +/- 50V
950V +/- 50V
1100V +/- 50V
1900V +/- 75V
1900V +/- 75V
Minimum voltage Maximum voltage
switch-off point
switch-off point
U min-off =
U max-off
U min-on -X
50 - 80 V
1250 +/- 50V
50 - 80 V
1975 +/-75V
50 - 80 V
1860 +/- 75V
50 - 125 V
4050 +/- 100V
50 - 125 V
4050 +/- 100V
Re-entry voltage Extra maximum
( switch-on point ) switch-off point
U max-on =
U max-off + Y
50 - 80 V
--80 - 125 V
--80 - 125 V
--150 - 250 V
4150V
150 - 250 V
---
Definition of very special power supply systems of European coaches
Switch-on voltage
U min-on
700V +/- 50V
900V +/- 50V
1050V +/- 50V
1800V +/- 75V
1825V +/- 75V
Minimum voltage
switch-off point
U min-off =
U min-on -X
50 - 80 V
50 - 80 V
50 - 80 V
80 - 125 V
50 - 125 V
Maximum voltage
switch-off point
U max-off
1250 +/- 50V
2050 +/-75V
1860 +/- 75V
4050 +/- 100V
4050 +/- 100V
Re-entry voltage
( switch-on point )
U max-on =
U max-off + Y
50 - 80 V
80 - 125 V
80 - 125 V
150 - 250 V
150 - 250 V
Extra maximum
switch-off point
Schaltbau GmbH · 81677 Munich · Klausenburger Str. 6 · Phone: +49(0)89 930 05-0 · Fax: +49(0)89 930 05-350
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------4300V
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244
208
250
230
8 23
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180
160
6
Monitoring and control unit ZH 914
Dimension Diagram
Replacing ZH 714 types
Note for replacing a ZH 714 type by a ZH 914 type:
After each operation of the change-over unit all control units will test the correct position of the switches by switching on one
part of the electrical heater. If there are 0V ... 1440 V the old ZH 814 type detects correct operation.
The new ZH 914.1xx and ZH 914.2xx types, however, detect correct operation only if there are 500V...1440 V.
This means that whenever the ZH 914 will be tested there has to be at least a minimum of 500 V at the test point.
Type
Ordering code
ZH 714 AA
1-1353-571024
ZH 714 A2
1-1353-558690
ZH 914 .11 N 4 N 120
ZH 914 . 11 N 4 N
ZH 714 B
1-1353-182362
ZH 914 . 14 N 5 N
Hungary
ZH 714 C
1-1353-106711
ZH 914 . 11 N 4 N
Hungary
ZH 714 E
1-1353-341425
ZH 914 . 11 N 4 N
Switzerland
ZH 714 EA
1-1353-116592
ZH 914 . 11 N 4 N 120
Switzerland
ZH 714 D
1-1353-591211
ZH 914 . 11 N 4 N
ZH 714 F
1-1353-211222
ZH 914 .11 E 4 N
ZH 714 F
1-1353-211222
ZH 914 .31 E 4 N
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Replaced by ZH 914 type:
Used in:
Germany
Germany
Belgium
Germany
Germany,
Wrmz 137.1
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Replacing ZH 814 types
Note for replacing a ZH 814 type by a ZH 914 type:
1. After each operation of the change-over unit all control units will test the correct position of the switches by switching on
one part of the electrical heater. If there are 0V ... 1440 V the old ZH 814 type detects correct operation.
The new ZH 914.1xx and ZH 914.2xx types, however, detect correct operation only if there 500V...1440 V.
This means that whenever the ZH 914 will be tested there has to be at least a minimum of 500 V at the test point.
2. The ZH 814 has a 8-pin connector, the ZH 914 has a 10-pin connector. So replacing a ZH 814 by a ZH 914 you always
have to change the cable, too ( see table )!
Type
Ordering code
ZH 814 A
1-1352-570816
ZH 814 B
1-1352-748564
ZH 814 C
1-1352-589025
ZH 814 G
1-1352-582411
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Replaced by ZH 914 type:
ZH 914 .13 N 4 N
With additional connector cable:
ZH 914 .13 N 4 N
With additional connector cable:
Used in:
ZH 618 S
Germany
ZH 618 S
Belgium
ZH 914 .14 N 5 N
With additional connector cable:
ZH 618 S
ZH 914 .14 N 5 N
With additional connector cable:
ZH 618 S
Hungary
Yugoslavia
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